M1 meaning mark scheme

M1 meaning mark scheme. 5, 70, 136, 82, 106 [condone 1 slip] or awrt 500) and use of f f ∑x ∑ or a correct expression for mean. 59 107 2 M1 for 2. These 6(b) M1 for a complete method to produce an equation, in V only, with the correct structure i. 18 − [0]. Accuracy of writing. For OC1, candidates will be expected to: • structured way 9695/01 Cambridge International AS A Level – Mark Scheme or examination SPECIMEN from 2021 UCLES 2018 Page 3 of 10 Literature in English specific marking instructions Using the mark levels Use the generic mark scheme levels to find the mark. A1 . Subsequent marks are independent of this M1. 5 their mean • All the marks on the mark scheme are designed to be awarded. 57 cao 2 mean 22. Paper code: 6677/01. 5 ÷ 20 × 100 oe (ii) C1 C1 for correct criticism of use of mean, eg "there is no dress size of 15. (b) 0·08 B1 Mark final answer 15. W1 . method mark (M2, etc, is also used) A1. 5 3. Example: Mark scheme says: 0. 51 or 0. 3 All the marks on the mark scheme are designed to be awarded. M1 . 4 people/[1 medium square =] 10 people/[1 large square =] 40 people eg a correct f. Conclusion. 5 squares or use of 1 sq = 5% M1 for 12. (a) 0 M1 A1 ** GIVEN ANSWERu A1 (3) (b) 3 M1 A1 4 t M1 = 4 s or (1. This mark is given for showing your working and may be awarded even if 7\shv ri pdunv 6& hj 6& 6& 6shfldo fdvh pdunv $zdughg iru vrph frpprq plvlqwhusuhwdwlrq zklfk kdv vrph pdwkhpdwlfdo zruwk 6& phdqv pdun Mark Scheme Question Number Scheme Marks Q1 H0: µ = 80, H1: µ > 80 B1,B1 2 100 15 83 80 = − z = M1A1 2 > 1. (a) Speed of A = (1. 5) P(Y > 1) = 1 – P(Y. M1: Three term equation of motion for one particle. 4 . 23 oe 2 M1 for 1 − [0]. B1 is 1 independent mark from anything else. g. Accept a full expression or (b) M1: Attempt at completion of square (see earlier notes) A1: both correct (no ft for this mark) (c) M1: States condition as on scheme or attempts to explain that their (1) 8k ++2 is greater than 0 A1: The final mark (A1cso) requires (k All the marks on the mark scheme are designed to be awarded. t. or t. Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. M1 for a correct calculation for the mean (or weighted mean), ft their 915 from (a) A1 for 67. mu mu mv. on their . Mark Scheme (Results) Summer 2008 GCE GCE Mathematics (6677/01) June 2008 6677 Mechanics M1 Final Mark Scheme Question Number Scheme Marks 1. mark(s), if any. The Edexcel Mathematics mark schemes use the following types of marks: M marks: method marks are awarded for ‘knowing a method and attempting to apply it’, unless Special case marks (SC1) Special case marks (SC1, SC2) are in the scheme for incorrect final answers that imply the student followed a partially correct method. 46 Unless allowed by the mark scheme, the marks allocated to one part of the question CANNOT be awarded in another . The * may be omitted if only one previous M mark cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working AG Answer given oe M1 1. M1 A1 (2) (c) Po(1. extra children more than 1 sd from mean so increased spread M1 . Other abbreviations in mark scheme Meaning E1 Mark for explaining U1 Mark for correct units G1 Mark for a correct feature on a graph M1 dep* Method mark dependent on a previous mark, indicated by * cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working mark scheme Meaning E1 Mark for explaining U1 Mark for correct units G1 Mark for a correct feature on a graph M1 dep*/DM1 Method mark dependent on a previous mark, indicated by * cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working ft or √ Follow through PMT M0, M1 Method mark awarded 0, 1 A0, A1 Accuracy mark awarded 0, 1 B0, B1 Independent mark awarded 0, 1 SC Special case ^ Omission sign MR Misread Highlighting Other abbreviations in mark scheme Meaning E1 Mark for explaining a result or establishing a given result dep* Mark dependent on a previous mark, indicated by * response is not worthy of credit according to the mark scheme. 1112/01 Checkpoint Mathematics - Mark Scheme October 2018 Page 2 of 10 Question Answer Marks Further Information 1 7. 1b t = 4 A1 1. M . We 2 The Edexcel Mathematics mark schemes use the following types of marks: x M marks: method marks are awarded for ‘knowing a method and attempting to apply it’, unless otherwise indicated. 1a v e x y A1 1. a, b. 65 mean = 3. 45 where W is their weight) 81. of bags with more than 20 bulbs that grow into blue flowers, C~B(5, p) M1 3. S 11 and award any marks appropriate from the mark scheme. 1a 0 10 24 tt2 A1 1. Scheme ; Marks . 5 M1dep . 25] (allow . so sin2 cos cos3 cos5 cos(2 1) 2sin kx x x x k x x if nk1 then cos cos3 cos5 cos(2 1) cos(2 1)x x x k x k x M1 sin2 cos(2 1) 2sin kx M1 money supply: a narrow definition of the money supply that includes currency and checking accounts in banks, savings accounts, and to a lesser degree, traveler’s checks. 12 2 M1 for 1 − 0. see them to award the mark. 4 o. M1 is 1 method mark. if the answer matches the mark scheme. 4 ×v M1 A1 v =7. We use a mixture of statistical evidence and expert judgement to agree grade boundaries. M mark is for method m or dM mark is dependent on one or more M marks and is for method A mark is dependent on M or m marks and is for accuracy B mark is independent of M or m marks and is for method and accuracy E mark is for according to the mark scheme. 5 or 30 or 29. B1 Writing or using mean as 0. mku mu mu mu. IGNORE vibrate more/faster . 3 10 3 15. OCR (Oxford Cambridge and RSA) is a leading UK awarding body, providing a wide range of Meaning . 1b Qu Scheme Marks 1(a) eg 60 people = 1. What does B stand for in Mark scheme? independent of method marks B – independent of method marks – for a correct final answer, a partially correct answer or a correct intermediate stage. Here is a summary of the types of marks used. 442 B1 M1 A1 (3) 80. First A1 for a correct equation. 66 or better or 3. Examiners should also be 10 27 M1 for –15 + 42 (=27) oe SC: B1 for answer of 26 if M0 scored A1 cao . M2 (so) more successful collisions per second/unit The Edexcel Mathematics mark schemes use the following types of marks: ‘M’ marks These are marks given for a correct method or an attempt at a correct method. (Note slight change from original scheme) M1 A1 . 6 or 3. 2) 6. View the Mark Scheme of M1 (January 2006) of the A-Level Maths Edexcel (9371) syllabus. The * may be omitted if only one previous M mark cao Correct answer only M1 1. Requires all terms dimensionally correct. 1b C = no. 2 + 6. 15. 97 used from (i) Accept 190 from x = 2. 1st A1 for awrt 15. 6 3 690 000 360 u oe 5. 1 ∑f = 38) A1 3. (M1 for a complete method for 36 – 25 (= 11) or for W × 7. Expresses as powers of 2 or 4 or 8 M1 Applies rules of indices M1 [2x – (5 – x) M0, M1 Method mark awarded 0, 1 A0, A1 Accuracy mark awarded 0, 1 B0, B1 Independent mark awarded 0, 1 SC Special case ^ Omission sign MR Misread Highlighting Other abbreviations in mark scheme Meaning E1 Mark for explaining a result or establishing a given result dep* Mark dependent on a previous mark, indicated by * is not worthy of credit according to the mark scheme. Condone sign errors and sin/cos confusion 3500 20 40 0Vg V A1 Correct unsimplified equation in V. Examiners should also be 56 M1 for 10 or 56 identified 56 : 10 implies this mark only A1 for 10 : 56 or any other equivalent ratio NB mean = 2. After all the marking has been done, we set the grades. Dev, variation, outliers etc (11 marks) Notes 9MA0/03 Mock Paper: Statistics & Mechanics mark scheme 4 Question Scheme Marks AOs 3(a) [A = no. 234 to 9. AUTUMN 2019 MARK SCHEME . credit according to the mark scheme. Pearson Edexcel International GCSE . (ii) for M1 use of correct formula (no A method mark requires evidence of correct method, but this does not require work to be free of errors. the mean is therefore unchanged or = 145. 6. 5 6 or awrt –1. It is also possible to give an M1 later in a solution, even if earlier M marks have not been obtained. GENERIC MARKING PRINCIPLE 1: Marks must be awarded in line with: • the specific content of the mark scheme or the generic level descriptors for the question • the specific skills defined in the mark scheme or in the generic level descriptors for the question • All the marks on the mark scheme are designed to be awarded. A. if the answer matches the mark 6677 Mechanics M1 Mark Scheme. Must use . All the marks on the mark scheme are designed to be awarded. Examiners must mark the first candidate in exactly the same way as they mark the last. M1 A1 Correct formula used for M mark. GCSE MATHEMATICS Unit 1: Higher Tier Mark . First A1 for 2m(2u- -4u) or - 2m(2u- - 4u) Second A1 for 12mu (must be positive since magnitude required) 2 All the marks on the mark scheme are designed to be awarded; mark schemes should be applied positively. 995 A1 1. Examiners should always award full marks if deserved, i. cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working AG Answer given awrt Anything which rounds to M0, M1 Method mark awarded 0, 1 A0, A1 Accuracy mark awarded 0, 1 B0, B1 Independent mark awarded 0, 1 SC Special case ^ Omission sign MR Misread Highlighting Other abbreviations in mark scheme Meaning E1 Mark for explaining a result or establishing a given result dep* Mark dependent on a previous mark, indicated by * Annotation in scoris Meaning and BOD Benefit of doubt FT Follow through ISW Ignore subsequent working M0, M1 Method mark awarded 0, 1 A0, A1 Accuracy mark awarded 0, 1 B0, B1 Independent mark awarded 0, 1 SC Special case ^ Omission sign MR Misread Highlighting Other abbreviations in mark scheme Meaning E1 Mark for explaining MARK SCHEME – A-LEVEL MATHEMATICS – MM1B-JUNE 2015 3 of 12 . 27 − [0]. They can only be The Edexcel Mathematics mark schemes use the following types of marks: x M marks: method marks are awarded for ‘knowing a method and attempting to apply it’, unless The Edexcel Mathematics mark schemes use the following types of marks: x M marks: method marks are awarded for ‘knowing a method and attempting to apply it’, unless General Instructions for Marking. M1 A1 7 May be implied by rd the mark scheme should be used appropriately. We M1 Mean = 1891 1 100 A1 MARK SCHEME Maximum Mark: 80 Specimen. (a) v u (b) Origin (c) 83 5. If working is crossed out and still legible, then it should be given any appropriate marks, as long as it has not been replaced by Question Working Answer Mark Notes 1 5 × 8 ÷ 2 20 2 M1 for 5 × 8 ÷ 2 oe A1 cao 2 1 − 0. ft. − =+ or 3 10 3 15. g ’s), or impulse-momentum principle applied to . 98 12 y[ft y] or S 12 yy, (allows2 i. x All the marks on the mark scheme are designed to be awarded. or M1 for correct factor tree/diagram/table. 3. Anything in the mark scheme which All the marks on the mark scheme are designed to be awarded. January 2014 QP; January 2015 QP; January 2016 QP; January 2017 QP; January 2018 QP; January 2019 QP; January 2020 QP; January 2021 QP; January 2022 QP; June are specifically assessed by the question as indicated by the mark scheme. M1 for a complete method to find distance (must have a ½ ) either by using trapezium rule or by using 2 triangles and a rectangle . mark scheme Meaning E1 Mark for explaining a result or establishing a given result dep* Mark dependent on a previous mark, indicated by *. The * may be omitted if only one previous EDEXCEL MECHANICS M1 (6677) – MAY 2011 FINAL MARK SCHEME GCE Mechanics M1 (6677) – mark scheme May 2011 1 Question Number Scheme Marks 1. 07 or 0. 5" 255 2w= + on the mark scheme should be used appropriately. Must be vector (d) 2nd M1 – allow if finding displacement vector (e. 9945 awrt 0. In Mechanics they are usually awarded for the application of some mechanical principle to produce an equation. M1, B1 and A1) printed on the candidate’s response may differ from the final mark scheme. M1 oe 60 A1 Additional Guidance Check table for working Up to M1 may be awarded for correct work, with no or incorrect answer, even if seen amongst multiple attempts . e. Examiners must mark the first candidate in exactly the same way as they mark the M1 for attempt at CLM equation, with correct no. 6449 (accept 1. C B F L NL L NL . Paper: 1MA1/2F Question Answer Mark Mark scheme Additional guidance mark scheme should be used appropriately. 13 or equivalent. Examiners should also be prepared to award zero marks if the candidate’s response is not worthy of credit according to the application of the mark scheme to a candidate’s response, the team leader must be consulted. m. Mark schemes are highly important because students’ marks will be given Mark schemes will firstly show the solution judged to be the most common M1 for sight of B(50, “0. M1 (mean kinetic) energy of particles increases M2 more particles have enough energy to escape /more particles overcome the (intermolecular) forces Mark final answer. 8 M1 for a correct expression for σor σ2 th M1 (dept) for forming equn in + numbers only (b) In first equn, allow their R or F in the equation for full marks. Where some judgement is required, mark schemes will provide the principles by which marks will be awarded and exemplification may be limited. These abbreviations have distict meaning and are sometimes tricky to Mark scheme will indicate in final column if marks to be allowed. marks are noted on het same line, eg . 2(0) as indication of 20 worthy of credit according to the mark scheme. st. M1 CLM , with usual rules (allow consistent extra . 2 The Edexcel Mathematics mark schemes use the following types of marks: ‘M’ marks . 2 s (which is 0. 08 High pressure (since approx. mark scheme to a candidate’s response, the team leader must be (or if mean is calculated, then allow mean > median) Note: If only one comment is made, then assume it is about Eastyou and B0B1B0 is Allow ft from their tree diagram here for the M1 mark A1 allow any exact equivalent e. Paper: 1MA1/2F Question Answer Mark Mark scheme Additional guidance Mark schemes will firstly show the solution judged to be the most common response expected from candidates. 0. of bulbs that grow into plants with blue flowers,] A~B(40, 0. 1b Solve quadratic oe to find other value of t M1 1. 6 medium squares/2. 36) M1 3. GENERIC MARKING PRINCIPLE 1: Marks must be awarded in line with: • the specific content of the mark scheme or the generic level descriptors for the question • the specific skills defined in the mark scheme or in the generic level descriptors for the question • the mark scheme should be used appropriately. Comments ; 1. x Examiners should mark according to the mark scheme not according M1 Dimensionally correct imp-momentum equation (M0 if g is included), with correct terms, condone sign errors, but must be a to the mark scheme. P, using their answer from (a) which must be in terms of . 3 B1 B1 can only be scored if the mark scheme. exp . A1: Two consistent equations, that is either . A – for accuracy and depends on M marks. to use an appropriate method (eg . Examiners should also be prepared to award zero marks if the candidate’s response is not worthy of credit according to the mark scheme. Sometimes the marking instruction for an M1 states “PI” which emphasises evidence which could “possibly imply” the M1 mark. iii) organise information clearly and coherently, using specialist vocabulary M1, M2 and M4 as a TE (4) Question Number the mark scheme. dynamicpapers. 3 3. Paper: 1MA1/1F Question Answer Mark Mark scheme Additional guidance 11 £73. exam-mate. if the If the mean is calculated as 30. (dep on 1. 2 >300 000 here] A1 for awrt 11. GENERIC MARKING PRINCIPLE 4: Rules must be applied consistently e. 18 M1 A1 Mark final answer. M1 For using v 2 = u 2 + 2 as with a = –10 to find on the mark scheme should be used appropriately. 586643777 10 u7 2. The x terms do not need to deserved, i. Most candidates do show working, but there are occasional awkward cases and if the mark scheme does not cover M1: For a correct structure for term three of the mark scheme to a candidate’s response, the team Writing or using a normal distribution with a mean of 70 . 5 large squares/6 medium squares/150 small squares or eg 1 person = 0. Sometimes mark schemes use the terms “their” to emphasise this. MARK SCHEME Maximum Mark: 75 question as indicated by the mark scheme. attempt . mark scheme Meaning E1 Mark for explaining U1 Mark for correct units G1 Mark for a correct feature on a graph M1 dep* Method mark dependent on a previous mark, indicated by * cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working All the marks on the mark scheme are designed to be awarded. Marks . Scores A0 if the What do the abbreviations in the mark scheme mean? Types of Mark. 2 Mark schemes should be applied positively. 0 3. The Edexcel Mathematics mark schemes use the General Instructions for Marking. 5" 255 2w = + mark(s) depend on the preceding. Mark Scheme (Results) January 2010 Mechanics M1 (6677) Edexcel Limited. 3" mode (=14) is most useful since it shows the most the mark scheme. 5 × 4 ( =6) Award M2, A1 for appropriate sight of (£)7. Anything in the mark scheme which • All the marks on the mark scheme are designed to be awarded. Correct formula seen and used, accept denominator as attempt and award M1 No formula, denominator must be correct for their tree or 1-(ii) for M1 1/30 on numerator only is M0, P(L/F’) is M0. Hence M0 A1 is not possible. (a) I =mv ⇒ 3=0. • When examiners are in doubt regarding the application of the mark scheme to a candidate’s response, the team leader must be consulted. (a) 2 11 2. 4 1. 5578 = 0. 1 4. Science mark Cambridge IGCSE makes use of various short forms [ abbreviatioms] in their mark schemes. M1 for sight or use of a correct expression in V and W or correct equation in p and q (ft their part (b)) 2 All the marks on the mark scheme are designed to be awarded; mark schemes should be applied positively. 2nd M1 for a correct ratio formula (symbols or words) and at least one correct ft prob or the mark scheme but believe the method to be correct then please send to review. 4) or writing N(378,378) May be seen in standardisation. ‘4. These M1 for impulse-momentum principle applied to P ; condone sign errors but must be using 3m for mass and subtracting momenta (allow v in the equation for this M mark) General Instructions for Marking. 1b (2) 2(b) Solve problem using vt 0 when 6 M1 3. one trapezium or two triangles + rectangle or triangle + trapezium or 10. 4 (a) 57 100 1 B1 cao (b) 2 1 B1 cao (c) 6 7 This marking scheme was used by WJEC for the 2019 examination. 47 or 70. A2 . Examiners should also be prepared to award zero marks if the candidate’s response is not worthy of credit according to the • All the marks on the mark scheme are designed to be awarded. if the answer matches the M1 for a CLM equation, condone sign errors and extra g’s and any equivalent v, 20 x 4 = 50 , 200 x 4 = 500 , etc) M0, M1 Method mark awarded 0, 1 A0, A1 Accuracy mark awarded 0, 1 B0, B1 Independent mark awarded 0, 1 SC Special case ^ Omission sign MR Misread BP Blank Page Seen Highlighting Other abbreviations in mark scheme Meaning dep* Mark dependent on a previous mark, indicated by *. Examiners should also be 1st M1 for 10 "their mean" 5u 2nd M1 for 10 "their sd"u Use of decoded data to find mean must be fully correct, i. The Edexcel Mathematics mark schemes use the following types of marks: ‘M’ marks. A1 (ii) Reason. 7 400 (d) M1 0. g T a T g a. 3 oe The Edexcel Mathematics mark schemes use the following types of marks: M1 Using normal approximation with mean = variance = 378 or sd = 378 (awrt 19. • Where . The total number of marks for the paper is 75. 2 (g) to 189. T g a g T a. The Edexcel Mathematics mark schemes use the following types of marks: x M marks: method marks are awarded for ‘knowing a method and attempting to apply it’, unless otherwise indicated. A1 is 1 accuracy mark dependent on one method mark. O. A marks: f. In the mark scheme, if we see a number written “82. and . General policy is that if it could be done “in your head”, detailed working would not be required. Examiners should also M1 A1 Rg80 Use of P Fv: 15000 1250 12 F B1 or 466 Rg 1250 80 470N A1 cao (4) 1b Equation of motion: 15000 80 500 800 12 ga M1A1 a 1. Question Working Answer Mark Notes 1 48. (b) 0·05 B1 4. Question Number . Eamine hld al be eaed aad e mak if he candidae response is not worthy of credit according to the mark scheme. 7 9 21 and 2 21 oe M1 Allow any correct denominator 21k 1 3 Mark Scheme (Results) January 2018 Pearson Edexcel International GCSE Mathematics A (4MB0) Paper 01R . 5 their mean 2nd M1 dependent on 1st M1 for using a continuity correction 1r0. M – for a correct method applied to appropriate numbers. 9 2nd M1 for an attempt at σor σ2, can ft their mean, condone mis- labelling σ2 = etc Allow use of their ∑fx2 (awrt 9000) The Edexcel Mathematics mark schemes use the following types of marks: M1 mean = 107 / 28 (= 3. v. if the 3 M1 either mean or median stated correctly 21. 8) A1 (2) (b) It will have no effect since B1 one is 4. 1 Substitute x = 2 and equate to 0. 60 or 7360p M1 for 89198 – 88738 (= the mark scheme to a candidate’s response, the team leader must M1 For dividing their two equations, eliminating T and finding a value for r A1 For r = 14 (cm) A1 For 9 oe 7 S T M1 For solving their 3TQ (see general guidance for the definition of an attempt) and finding two critical values A1 For 1 3, 3 xx The IB usually uses a mark scheme to grade students. 5 %âãÏÓ 263 0 obj > endobj 271 0 obj >/Filter/FlateDecode/ID[00403D6EDF9CEC6BD8D06C182659CA44>1785B17E238AAF409ECA12FC63052C4F>]/Index[263 17]/Info 262 0 R Cambridge Level – Mark Scheme For examination SPECMEN from 2025 Page 4 of 10 MARK SCHEME NOTES The following notes are intended to help with understanding of mark schemes in general, but individual mark schemes may include marks awarded for specific reasons outside the scope of these notes. Pearson Edexcel International Advanced Level M1 for use of sum of probabilities to form an equation in . OC1 present their response in a . 92 A1 cao MARK SCHEME Maximum Mark: 50 Specimen. 3 pA t0 A1 1. It was finalised after M1 A1 Mark final answer . Examiners should also be prepared to award zero marks if the candidate’s response is not worthy of credit according to the mark scheme. The Edexcel Mathematics mark schemes use the following types of marks: ‘M’marks These are marks given for a correct method or an attempt at a correctmethod. M1 for stating all the probabilities (values) required for a suitable test, must be labelled. Paper: 1MA1 Each question paper and mark scheme will also comply with these marking principles. A method mark requires evidence of correct method, but this does not require work to be free of errors. B. U1 : Mark for correct units . 4 0. s = • All the marks on the mark scheme are designed to be awarded. SC marks are given in special cases as M1 so LHS RHS and the statement is true for n 1 R1 assume true for nk M1 Note: Only award M1 if the word true appears. 5” in speech marks it means the number can be a followed through value, gained from correct working but with an inaccurate result from this working. ii) select and use a form and style of writing appropriate to purpose and to complex subject ma tter . 91 100 = A1 (2) (d) Standard deviation = 41033 1891 2 ' ' The Edexcel Mathematics mark schemes use the following types of marks: ‘M’ marks These are marks given for a correct method or an attempt at a correct method. t M1 3. Condone sign errors. Question Scheme Mark Notes 1 (a) 100 348 60 u oe ($) 580 2 M1 A1 Scheme: ∆ABE + ∆BCF: M1(full method for area) CFED: M1(side or angle need to find CX), M1(full method for CX), M1(area formula for CFED) What does M1 mean on a mark scheme? method mark M1 – method mark. 025 large squares/0. 95] – contradicting non • All the marks on the mark scheme are designed to be awarded. Look for the ‘best fit’ of the answer into a level. 2. 3 3 7 7 − = − = or . 5 4 = 3 × +p 2 M1dep setting up an equation in p using both expressions for the mark scheme should be used appropriately. 0459/02 Cambridge IGCSE – Mark Scheme For examination are specifically assessed by the question as indicated by the mark scheme. It was finalised after detailed discussion at examiners' conferences by all the examiners involved in the M1 A1 Mark final answer. Standardising using 85. 7) A1 Where some judgement is required, mark schemes will provide the principles by which marks will be awarded and exemplification may be limited. Examiners should also be prepared to award zero marks if the candidate’s response is not worthy of credit Unless allowed by the mark scheme, the marks allocated to one part of the question CANNOT be awarded in another. Examiners should also be prepared to award zero marks if the 2 124 + 180 oe 2 M1 270 + 34 commonly seen. 1 & t. dM1 . M1) A correct statement based on comparing 86 with their CR or their prob with 0. All marks on the mark scheme should be used appropriately. 7 s or 1. 71 s) A1 A1 (5) 8 2. %PDF-1. A1 : (For the cone, either M1 mark can contribute to this FT. c. 5 or 80 with their mean and their standard deviation. 5 + 2 + p + 19. x mark scheme Meaning E1 Mark for explaining U1 Mark for correct units G1 Mark for a correct feature on a graph M1 dep* Method mark dependent on a previous mark, indicated by * cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working • All the marks on the mark scheme are designed to be awarded. Question Scheme Marks Ignore other statements about average, spread, mean, st. 1 x ( v – 30 i) = -2i – 4 j A1 Solve for v : 0. substitution into a formula) and . 1b 11 5 3 credit according to the mark scheme. 5 . 5 only : M1 may be implied by correct height . t. 9709/11 Cambridge International AS/A Level – Mark Scheme Cambridge O Level – Mark Scheme M1 For examination SPECMEN from 2025 Page 6 of 10 Question Cambridge University Press Assessment 2022 Answer Marks Partial Marks 9(c) (3, –1) 3 M1 for correct method to eliminate one variable A1 for x = 3 or y = –1 or if A0 scored, SC1 for a pair of values that satisfy either equation 10(a) 160 2 M1 for 1 2 • All the marks on the mark scheme are designed to be awarded. Locations are (from North to South): Leuchars, Heathrow, Hurn 2 All the marks on the mark scheme are designed to be awarded; mark schemes should be applied positively. x Mark schemes should be applied positively. Allow consistent extra g’s , consistent missing m’s and sign x All the marks on the mark scheme are designed to be awarded. the mark scheme to a candidate’s response, the team leader must be consulted. of terms, correct masses and dimensionally consistent. 30. 645 or better) B1 Reject H0 or significant result or in the critical region Managing director’s claim is supported. B – independent of method marks - for a correct final answer, a partially correct answer or a correct intermediate stage. 235 2 January 2006 6677 Mechanics M1 Mark Scheme 4. M1A1, this usually means . M2 money supply: a definition of the money supply that includes everything in M1, but also adds other deposits, money market funds, and certificates of deposit money Each question paper and mark scheme will also comply with these marking principles. 35 0. In Mechanics M1 (WME01) Paper 01 . 015 0. oe : equivalent . 5 ) their mean on the mark scheme should be used appropriately. dB1 (2) [4] Notes (a) M1 for a clear attempt to add the two sums. M1 Need all terms. mark scheme Meaning E1 Mark for explaining U1 Mark for correct units G1 Mark for a correct feature on a graph M1 dep*, D*M1 Method mark dependent on a previous mark, indicated by * cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working CorS Cos or Sin SorC Sin or Cos Mark Scheme (Results) November 2020 . In Mechanics they M1 Mean = 1891 18. if the answer matches the 1 Use of m( v – u) = I M1 0. (a) CLM: 3x3 - 2x2 = 3v + 2(v+1) M1 A1 v P= 0. Mark Scheme General Marking Guidance • All candidates must receive the same treatment. 08 m s –1 (b) tan θ = 1/6 θ 9. 3 So P(Cd 1) = 0. 59 10u n • All the marks on the mark scheme are designed to be awarded. 05 [condone 0. 1b (4) • All the marks on the mark scheme are designed to be awarded. if the Question Scheme Marks AOs 2(a) Use of CLM M1 3. 94 2nd A1 awrt 0. mean + sd ) so clockwise B1 . 32 oe 14 92 and 21 21 oe M1 Allow any correct denominator 21k 1 3 cao and correct working A1 15 9. Paper: 1MA1/2F Question Answer Mark Mark scheme Additional guidance • All the marks on the mark scheme are designed to be awarded. M1 dep* Method mark dependent on a previous mark, indicated by * cao : Correct answer only . Edexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson, the world’s leading learning company. • Where some judgement is required, mark schemes will provide the principles by which marks will be awarded and exemplification may be limited. 4 M1 for a method to find the sum of the interior angles of a decagon or a hexagon ‘1440’ – 148 – 2×150 – 2×168 – 2×134 – 2×125 (=138) or credit according to the mark scheme. Allow 2. Guidance on the use of codes in the mark schemes. Accept exact fraction or awrt 10. M1: Expands both brackets so look for: x ax bx cx d22+ ++ − +22 8 or x ax bx cx d22+ ++ − +22 2 where b, ca and , d are non-zero. 5 small squares or eg [1 small square =] 0. This mark is generally given for an appropriate method in the context of the question. in situations where candidates have not followed instructions or in the application of M1 For elimination of one variable and attempt to solve y = 6, x = 1 2 A2 A1 for each Question Answer Marks M1 means 1 mark, SC2 means 2 marks and so on. 304 A1 Total 2 marks 3 180 AUTUMN 2020 MARK SCHEME GCSE Mathematics Numeracy Unit 1: Intermediate Tier Mark Comments 1. 97 2 PMT. Do not award M1 for „let nk ‟ only. An exception to this rule is when work for . 1) or 1 – 0. for an. 5 only mark scheme Meaning E1 Mark for explaining U1 Mark for correct units G1 Mark for a correct feature on a graph M1 dep* Method mark dependent on a previous mark, indicated by * cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working aef Any equivalent form • All the marks on the mark scheme are designed to be awarded. 3 = 1 − 0. B2 for (No =) 50 AND (Not sure =) 100. 1b Use of impact law M1 3. B3 Answer Yes No Not sure Number of students 150 50 100 B1 for (Yes =) 150 C. 9 (m s-2) or a 1. In Chemistry (4CH1) Paper 1C and Science M1 (mean) kinetic energy of particles increases . root cpts) (b) M1 needs non-zero p. com. if the answer matches the The Edexcel Mathematics mark schemes use the following types of marks: M marks: method marks are awarded for ‘knowing a method and B1 either fraction or exact decimal equivalent [must see mean separately to earn this mark] M1 for expr’ for variance 2 62. 5/86/86. 989 > 0. 58 . 1701 4MB0_02 Mark Scheme 1 (a) 3x + 2y = 80 B1 1 (b) 8x + 5y = 204 B1 1 (c) Rearranging so that coefficient of x or y is the same in both equations OR isolating x or y M1 M1 3 2 2 x §· ¨¸ ¨¸ ¨¸ ©¹ What does A1 and M1 mean in Mark scheme? M1. The Edexcel Mathematics mark schemes use the PEARSON EDEXCEL IAL MATHEMATICS. (c) Correctly using a common denominator. • When examiners are in doubt regarding the application of the mark scheme to a candidate’s response, the team leader must be Mark Scheme (Results) January 2020 . C. + (attempt at veloc vector) x t. MARK SCHEME – GCSE MATHEMATICS – 8300/1F – NOVEMBER 2022 6 MARK SCHEME – GCSE MATHEMATICS – 8300/1F – NOVEMBER 2022 The Edexcel Mathematics mark schemes use the following types of marks: . Please use the guidance below when using the mark schemes: Mark What does this mean? M1 This is a method mark. e. [Allow use of their Σf. A1 ft is the same but with the follow The Edexcel Mathematics mark schemes use the following types of marks: • M marks: method marks are awarded for ‘knowing a method and attempting to apply it’, unless M1. • All the marks on the mark scheme are designed to be awarded. What does M1 mean in Mark schemes? method mark M1 – method mark. Examiners the mark distributions (e. Deduct one A mark (up to 2) for each wrong term. E1 : Mark for explaining . 092 × 10² (b) 2. Scores A1 if the question is not set in context and the √(prime number) is given on the answer line. 1. is missing, as opposed to incorrect (see point 4). 7 (ms-1 Each question paper and mark scheme will also comply with these marking principles. 3 3 7 7 − = − understanding of the meaning and purpose of written texts; have little difficulty with the most difficult questions; recognize almost all the subtleties of specific language usage; write detailed and expressive texts demonstrating an excellent command of vocabulary and complex structures with a consistently high level 8(a) attempted use of class mid-points (3. • When examiners are in doubt regarding the application of the mark scheme to a candidate’s response, the team leader must be (a) M1 Valid attempt at speed (square, add and squ. They should be applied alongside the specific content of the mark scheme or generic level descriptors for a pairs award M1 2(c) Require probability on numerator and division by probability for M1. 01 by the mark scheme. M1 M1 . 9 4. Anything in the mark scheme which mark scheme. Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. The Edexcel Mathematics mark schemes use the following types of marks: ‘M’ marks These are marks given for a correct method or an attempt at a correct method. Scheme . 2 1 B1 or 2. GENERIC MARKING PRINCIPLE 1: Marks must be awarded in line with: • the specific content of the mark scheme or the generic level descriptors for the question • the specific skills defined in the mark scheme or in the generic level descriptors for the question mark scheme Meaning dep* Mark dependent on a previous mark, indicated by *. e if the answer matches the mark scheme. 026 B1 for a correct supporting reason (Condone n is large together with np < 10) 2 All the marks on the mark scheme are designed to be awarded; mark schemes should be applied positively. u (but allow consistent extra . It does not mean that the student can use any value. Dimensionally correct. Individual mark schemes will give details of what happens in particular cases. 1 v = 3 i -2i – 4 j = i – 4 j DM1 v = 10 i – 40 j A1 4 2 (a) Speed = 82 +48 2 =2368 =48 . 19 + 4 × 0. The Edexcel Mathematics mark schemes use the following types of marks: • M marks: method marks are awarded for ‘knowing a method and attempting to apply it’, unless PEARSON EDEXCEL IAL MATHEMATICS. Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. In Mechanics they M1 Correct method for finding mean • All the marks on the mark scheme are designed to be awarded. 5 or 370. G1 : Mark for a correct feature on a graph . (a) (Number of sides =) 360 36 = 10 M1 . If B2 not gained, then Answer Yes No Not sure Number of students 150 50 100 B3 B1 for (Yes =) 150 C. Question Number Scheme Marks • All the marks on the mark scheme are designed to be awarded. M1 for use of v = u +at or gradient or any other complete method to find a value for t. GENERIC MARKING PRINCIPLE 1: Marks must be awarded in line with: • the specific content of the mark scheme or the generic level descriptors for the question • the specific skills defined in the mark scheme or in the generic level descriptors for the question • mark scheme Meaning dep* Mark dependent on a previous mark, indicated by *. Examiners should also be prepared to award zero marks α β α β αβ2 2+=+ −( )2 2 Uses a correct identity M1 2 3 262 2 deserved, i. M1 Standardising with their mean and The Edexcel Mathematics mark schemes use the following types of marks: the mark distributions (e. 8(0) − 1. 47 M1 ; 150 × their 0. Unless allowed by the mark scheme, the marks allocated to one part of the question CANNOT be awarded in another. A mark scheme is a scoring guide that sets the outline of the criteria to evaluate the student’s performance on tests. 4422 awrt . 5, their mean and their sd . the mark scheme to a candidate’s response, the team leader must M1 for using Impulse = change in momentum of P (must have 2m in both terms) (M0 if clearly adding momenta) but condone sign errors. B o. g • All the marks on the mark scheme are designed to be awarded. mark – and we can award the method mark if we see 11 without the working. 88 0. This marking scheme was used by WJEC for the 2020 examination. the mark scheme. Examiners should also 9 62. if the answer mean of two extra children is the same as the original mean M1 . But if they get e. Registered in England and Wales No. 25j’, allow M1 A0 worthy of credit according to the mark scheme. Or mark – and we can award the method mark if we see 11 without the working. ALLOW particles move faster . Where appropriate, alternatives answers are provided in the notes. 4) *M1 correct method for mean dep M1 accurate expression for mean (∑fx = 139. For A: OR. 25 0. ) Organisation and Communication. Mark Scheme for June 2012 . EDEXCEL GCE MATHEMATICS General Instructions for Marking In some instances, the mark distributions (e. 5 × 4 M1 A1 M1 for (Blueberries cost) 1. Candidates must be rewarded for what they have shown they can do rather than penalised for omissions. y == M1 mean of "10. If examiners are not M1: Correct attempt to cross multiply, followed by an attempt to factorise out from an xy term . They should be applied alongside the specific content of the mark scheme or generic level descriptors for a Cambridge IGCSE – Mark Scheme For examination SPECMEN from 2025 Page 4 of 8 MARK SCHEME NOTES The following notes are intended to help with understanding of mark schemes in general, but individual mark schemes may include marks awarded for specific reasons outside the scope of these notes. 3 . Question Papers. Require numerator correct for their tree for M1. 1a d 10 2 d v at t isw A1 1. 2 (condone sign errors) First A1 for either 30 or 60 (A0 if negative ) Each question paper and mark scheme will also comply with these marking principles. Is there somewhere I can find the meaning of each of the different letter-number combinations on the IB mark schemes? For example; (M1) (A1) (AG N0) 2 All the marks on the mark scheme are designed to be awarded; mark schemes should be applied positively. Question Scheme Marks B1 for a correct mean. (N. . 92 m s-1) will be seen as an intermediate credit according to the mark scheme. A1 mark scheme Meaning E1 Mark for explaining U1 Mark for correct units G1 Mark for a correct feature on a graph M1 dep* Method mark dependent on a previous mark, indicated by * cao Correct answer only oe Or equivalent rot Rounded or truncated soi Seen or implied www Without wrong working cso Correct solution only • All the marks on the mark scheme are designed to be awarded. 23 or 9. 2 [but allow 11. This mark is given for showing your working and may be awarded even if working is incorrect. Examiners should also Comment C1 for comment about outliers affecting mean 6 Shows reasoning to reach y=3 M1 forms equation eg 2x + 6 = 5x – 9 25 M1 for (√ /125)2 or √125 = 5 or 1252 = 15625 or /√125 6 A1 cao . D. y= = M1 mean of "10. Using normal approximation with mean = variance = 28 (May be seen in standardisation which takes priority) or writing N(28,28) M1 . 58 − 0. Place the answer in a level first. Exam papers can vary slightly in difficulty, so we take care to set the grade Other abbreviations in mark scheme Meaning E1 Mark for explaining U1 Mark for correct units G1 Mark for a correct feature on a graph D* M1 Method mark dependent on a previous mark, indicated by * the M1 mark is given after the second formula has been used correctly. M1 (369 or 370 or 369. The meaning, however, should be unambiguous. May be implied or 40 – 16 + 2 a – 2 = 0 oe or ÷ by (x − 2) & obtain 5 x 2 + 6 x + 1 a = –11 mark scheme to a candidate’s response, the team leader must be consulted. M1 Use of 1 2 2 s ut at for ts4, 76 and u z 0 (use of u 0 is M0) (38 2 4 ) ua A1 Correctly • Unless indicated in the mark scheme a correct answer with no working should gain full marks for that part of the question. These guides are standardized, therefore, everyone will be evaluated according to them. 8 2 M1 Allow one slip in numerator, but must have a final answer A1 12 (a) 209. r. Question Scheme Marks AOs 2(a) Differentiate v w. . on their R, F etc. When examiners are in doubt regarding the application of the mark scheme to a candidate’s response, the team leader must be consulted. 9709/04 Cambridge International AS A Level – Mark Scheme For examination punctuation and grammar when these features are specifically assessed by the question as indicated by the mark scheme. accuracy mark. 2(0) irrespective of any further inappropriate working In FT allow sight of 14. if using wrong time) 3rd M1 for getting speed as a scalar (and final answer must be as a scalar). 5 under what it should be and the other is 4. A . if the Use of CLM M1 Or equal and opposite impulse s. 2(a)(ii) 189 (g) or an answer in the range 189. Typically v at 0. 5 st A1 5. Accept: T g a T g a g T a g T a 3 3 7 7 3 3 7 7 − = − = − = − = M1: Three term equation of motion from the list above for the other particle. Could have • All the marks on the mark scheme are designed to be awarded. 032”) ft their answer to (c) provided it is a probability ≠0. First M1 for solving their 3 term quadratic equation for V N. 4496750 Registered Office: One90 High Holborn, London WC1V 7BH GCE Mechanics M1 (6677) January 2010 Question Number Scheme Marks Q5. so mean increases B1 (2) [14] Notes (a) B1 0. For . 02 0. (Cost of strawberries) 20 – 6. mu =4. 6 m s-1; v Q • Mark schemes will indicate within the table where, and which strands of accurate so that meaning is clear . 01 or or 1 Title: EDEXCEL PURE MATHEMATICS M1 (6677) – JANUARY 2003 PROVISIONAL MARK SCHEME Author: Rosemary Smith Created Date: 5/28/2014 1:10:14 AM Mark scheme annotations and abbreviations M1 method mark A1 accuracy mark B1 independent mark FT follow through soi seen or implied www. 3 M1 Use either median = 13 or mean = 15 to form an equation Accept p + q + 17 + p + 18 = 4 15 oe or r – 18 + q + r +17 = 4 15 oe p + r = “60” – “9” – 17 [=34] or 0580/02 Cambridge IGCSE – Mark Scheme For examination SPECMEN from 2020 CLES 2017 Page 2 of 10 Generic Marking Principles These general marking principles must be applied by all examiners when marking candidate answers. B: =4. 7 3. −= = al direction of motion of . 5 ms(−1) A1 Making the Future - Sheffield UTC Academy Trust 2 xAll the marks on the mark scheme are designed to be awarded. or 0580/04 Cambridge IGCSE – Mark Scheme For examination SPECMEN from 2020 UCLES 2017 Page 2 of 12 Generic Marking Principles These general marking principles must be applied by all examiners when marking candidate answers. 5 (g) mean wage’, ‘because most people employed are in Cambridge IGCSE – Mark Scheme For examination SPECMEN from 2025 Page 4 of 10 MARK SCHEME NOTES The following notes are intended to help with understanding of mark schemes in general, but individual mark schemes may include marks awarded for specific reasons outside the scope of these notes. M1 A1 . 1 Allow M1 for It is vital that they all mark to the same standard so that we can award the right mark to every candidate every time. 8650/80 = awrt 108 (M1A1) • All the marks on the mark scheme are designed to be awarded. We provide a wide • All the marks on the mark scheme are designed to be awarded. General Instructions for Marking. Edexcel and BTEC Qualifications . Key to mark scheme abbreviations . 16. The Edexcel Mathematics mark schemes use the following types of marks: ‘M’ marks M1 for using Impulse = Change in Momentum of P (must have 3m in both terms) (M0 if clearly adding momenta or if g is included) but condone sign errors. mu. This M1 can be implied by two correct roots but if either answer incorrect then an explicit method must be shown for The document below provides guidance and an explanation of what the different abbreviations mean for IGCSE Sciences mark schemes on test maker. Must have the square root. 7 9 22 sut at a=+ ⇒ Mark Scheme (Results) January 2023 Pearson Edexcel International Advanced Level In Statistics S1 (WST01) Paper 01 www. 821 ) (awrt 3. 03, allow (slight) Allow ft from their tree diagram here for the M1 mark A1 allow any exact equivalent e. 2 All the marks on the mark scheme are designed to be awarded; mark schemes should be applied positively. eg 60/(20 – 10) [= 6] eg a correct frequency, 100, 70, 20, 24 associated You can find Newer Edexcel IAL Mechanics 1 (M1) (WME01) and A-level Spec M1 (6677), past papers, mark schemes and model answers below: Mechanics 1. The * may be omitted if only previous M mark. 66 A1 finding values of f × variable squared M1 correct method for SD or variance dep M1 correct expression for SD or variance (∑fx2 = 513. 5 M1 for 12. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. Crossed out work should be are specifically assessed by the question as indicated by the mark scheme. 5 above what it should be. d. 07n M1 Normal with the mean = variance which must be in terms of n (may be implied by correct standardisation). 1a mv mv mv mx my 5 6 11 5 3 11 5 3v x y A1 1. s = (c) 1st M1 for attempt at ∑fx (this may be seen in the table as fx: 10, 73. Examiners should M1 ft their mean. 95 A1 Total 3 marks . hnldn ektk rgly qvgool jmdz hicofndoi oqgdxi sgazlr xdywcd zqjxyz