Mathematics > GCSE MARK SCHEME > Mark Scheme (Results) January 2022 Pearson Edexcel International GCSE Mathematics A (4MA1) Paper 1F (All)

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

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International GCSE Maths Apart from question 9c, 13, 21b 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) Two thousand and fifty one 1 B1 (b) 1700 1 B1 (c) 1479 1 B1 (d) 1150 1 B1 Total 4 marks 2 (a) 20 1 B1 (b) 32, “20”, 18, 22 2 M1ft for at least 3 correct values or clear use of multiples of 8 92 A1ft 72 + “answer to (a)” (c) 3 and ¼ symbols 1 B1 Total 4 marks https://britishstudentroom-b430a.web.app/3 (a) 14 squares shaded 1 B1 any 14 squares shaded (b) two tenths 1 B1 allow ‘tenths’ or 2 10 (c) 0.625 1 B1 (d) 2.008, 2.081, 2.8, 2.803, 2.83 2 B2 (B1 for all numbers in correct order for one number when covered leaves the others in order or for all numbers in correct reverse order) Total 5 marks 4 (a) 4.5 cm or 45 mm 2 B2 (B1 for 4.5 cm or 45 mm (allow 4.3 – 4.7 cm or 43 – 47 mm) for 4.5 (allow 4.3 – 4.7) or 45 (allow 43 – 47) or cm with a value from 4 – 5 or mm with a value from 40 – 50) (b) 29 1 B1 (+ 2) (c) the pair of parallel sides marked 1 B1 only 2 sides marked correctly (d) pentagon 1 B1 Total 5 marks https://britishstudentroom-b430a.web.app/5 eg 3 × 2.45 (= 7.35) or 2 × 6.2(0) (= 12.4(0)) or 3 × 2.45 + 2 × 6.2(0) (= 19.75) 4 M1 for working out the cost of the seeds or the compost or the seeds and the compost eg 34.35 – “7.35” – “12.40” (= 14.6(0)) or 34.35 – “19.75” (= 14.6(0)) M1 for working out the cost of the 4 plant pots “14.60” ÷ 4 M1 for a complete method to find the cost of one plant pot 3.65 A1 If no other marks awarded, SCB2 for answer of 6.42 – 6.43 SCB1 for 25.7(0) Total 4 marks https://britishstudentroom-b430a.web.app/6 (a) 3 B3 (B2 (B1 For all correct entries for 4 or 5 correct entries) for 2 or 3 correct entries) (b) 29 300 1 B1 oe eg 0.096(666…) (c) 83 195 2 B2 (B1 oe eg 0.42(564…) for 83 m where m > 83 or 195 n where n < 195) Total 6 marks 7 (a) 6 1 B1 (b) 19 1 B1 (c) 5h 1 B1 oe (d) 3a + 11f 2 B2 (B1 oe eg 11f + 3a for 3a or 11f) [Show More]

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