Mark Scheme (Results) January 2022 Pearson Edexcel International GCSE Mathematics A (4MA1) Paper 1FR

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International GCSE Maths Apart from Questions 5b and 24 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)(i) 10 or 28 1 B1 accept 10 or 28 or 10 and 28 (ii) 27 1 B1 (iii) 23 1 B1 (b)(i) 3578 1 B1 (ii) 57 + 38 or 37 + 58 1 B1 Total 5 marks 2 (a) Isosceles 1 B1 (b) Correct lines of symmetry drawn 1 B1 with no additional lines (c) 5 1 B1 Total 3 marks https://britishstudentroom-b430a.web.app/3 (a) 600 1 B1 (b) 4.5 1 B1 (c) 3 × 1000 (= 3000) or 225 ÷ 1000 (= 0.225) 4 M1 “3000” ÷ 225 (= 13.3...) oe or 3 ÷ 0.225 (= 13.3...) oe M1 “3000” – (“13” × 225) or [3 – (13 × “0.225”)] × 1000 M1 for a complete method 75 A1 Total 6 marks 4 (a) 14 1 B1 (b) Cruise Skiing 2 B1 B1 correct symbol for Cruise correct symbols for Skiing (c) 2 M1 7 a where a ≥ 7 or 40 b where b ≤ 40 7 40 A1 oe Total 5 marks https://britishstudentroom-b430a.web.app/5 (a)(i) 27 1 B1 (ii) Add 5 1 B1 accept +5 or use of 5n+2 (b) No and reason 1 B1 e.g. ‘because the unit digit of 256 is not 2 or 7’ or it is not in the form 5n+2 Total 3 marks 6 (a) 0.4, 0.407, 0.47, 0.477, 0.74 1 B1 (b) 7 10 1 B1 oe (c) 2 M1 for 30 48 oe 5 8 A1 (d) 0.23 1 B1 (e) 1 2 1 1 2 5 10    − + =       oe 3 M1 for a method to find the remaining fraction of beads 3 × “10” or 3 " " 1 10  oe M1 30 A1 [Show More]

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