Mathematics > GCSE MARK SCHEME > Mark Scheme (Results) January 2022 Pearson Edexcel International GCSE Mathematics A (4MA1) Paper 2F (All)

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Mark Scheme (Results) January 2022 Pearson Edexcel International GCSE Mathematics A (4MA1) Paper 2F

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International GCSE Maths Apart from questions 7, 8, 17, 22, 25 and 26 the correct answer, unless clearly obtained by an incorrect method, should be taken to imply a correct method Q Working Answer ... Mark Notes 1 (a) one triangle fully shaded 1 B1 or one quarter of the square shaded (ignoring diagonal lines). (b) 3 4 1 B1 oe (c) 9 10 1 B1 oe Total 3 marks 2 (i) 8 1 B1 (ii) 14 1 B1 (iii) 30 1 B1 (iv) 3 or 23 1 B1 or both 3 and 23 (b) 108 ‒ 3 (= 105) or x ÷ 5 where x is found value from first stage (108 3) 5 −  oe 2 M1 Allow 108 ‒ 3 ÷ 5 or ‒ 3 ÷ 5 with the correct order indicated eg with arrows 21 A1 cao If no marks scored SCB1 for 107.4 or 543 Total 6 marks 3 (a)(i) unlikely 1 B1 (ii) evens 1 B1 (b) cross shown at 0 1 B1 Total 3 marks https://britishstudentroom-b430a.web.app/4 (a) Qatar 1 B1 (b) 9 1 B1 allow −9 (c) −4 1 B1 Total 3 marks 5 (a) Correct line 1 B1 line drawn at y = −2 (b) (−1, 2) 2 B2 for both coordinates correct If not B2, then B1 for one correct coordinate or (2, ‒1) (c) (d = ) 1 1 B1 accept (5, 1) Total 4 marks 6 (a) Trapezium 1 B1 (b) F 1 B1 (c) 4 1 B1 or “four” (d) 2 1 B1 or “two” Total 4 marks 7 3 5 8 6  oe eg 0.375 ÷ 6 × 5 Allow 0.375 × 0.83…. oe eg 3 48 18 8 and eg 5 18 15 6 3 M1 for showing intention to multiply the two given fractions or using a number of members that is a multiple of 48 to work out the number of right-handed children. eg 3 5 8 6  = 15 48 or 3 1 5 8 6  2 0.375 × 0.83…. = 0.31….. "15" "48" M1 For an attempt to multiply fractions or Dividing their 15 by their 48 5 16 A1 dep on M1 Total 3 marks https://britishstudentroom-b430a.web.app/8 for at least two of: 8, 200, 0.5 3 M1 1600 0.5 or 8 400  or 16 200  M1 3200 A1 dep M1 (allow 3000) Total 3 marks 9 (a)(i) 58 1 B1 (ii) Vertically opposite angle(s) are equal or Vertically opposite 1 B1 reason given dep on a correct angle in (i) (b) DBA = 180 ̶ 132 (= 48) or for 132 ̶ 58 2 M1 48 could be shown clearly on diagram 74 A1 Total 4 marks 10 BB, BH, BA RB, RH, RA SB, SH, SA 2 B2 (B1 for all 9 combinations with no extras or repeats. for at least 5 correct combinations (ignoring extras and repeats)) Total 2 marks https://britishstudentroom-b430a.web.app/11 (a) 1 B1 correct diagram drawn (b) 12, 15 1 B1 (c) 30 1 B1 (d) eg Pattern number 25 needs 75 counters (or 3 × 25 = 75) or 70 counters can make only up to Pattern number 23 70 2.8 25 = or 70 3 = 23.(3….) 70 is 5 short or sight of e.g. 3n or …69, 72, … 70 is not a multiple of 3 No and reason 1 B1 ‘No’ with reason given (reason can be in words or shown as a ca [Show More]

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