Mathematics > GCSE MARK SCHEME > Mark Scheme (Results) January 2022 Pearson Edexcel International GCSE In Mathematics B (4MB1) Paper (All)

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Mark Scheme (Results) January 2022 Pearson Edexcel International GCSE In Mathematics B (4MB1) Paper 01R. Graded A+

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Question Working Answer Mark Notes Total 1 15 8 30 5 or 4 5 8 8   oe 2 M1oe for a start to the calculation 3 2 1 1 15 8 120 6 or 4 5 20 15 8 6 or 4 5 30 5 6  = =  =  = ... 6 A1oe for completing the calculation to 6 continuing their method. 2 2 2 3 222 2 n + = , n² = 2 × 222 − 3 2 M1 for a correct calculation for n² n² = 441, n = 21 yes, n = 21 A1 for n = 21 and yes oe 2 3 450 ml = 0.45 l or 3 l = 3000 ml or 450 0.45 or 3000 3 oe unsimplified fraction 2 M1 3 20 A1 https://britishstudentroom-b430a.web.app/ 24 360 40 64  oe 2 M1 225 A1 2 5 180 + 63 or a clear diagram showing P and Q clearly and correctly placed with (0)63 marked 2 M1 243 A1 2 6 21 12 oe or 5 12oe 12 16 16 BC = =  + BC 2 M1 a correct expression for BC 15.75 A1 oe (allow 15.8) 2 7 3 375 000 ÷ (23 × 33) (= 15625)oe or 3 375 000 = 23 × 33 × 56 2 M1 6 A1 dep on M1 2 8 4 3 16 20x x + 2 B2 fully correct, B1 for one term correct oe, eg 20x4 + 16x−3 https://britishstudentroom-b430a.web.ap [Show More]

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BUNDLE!!! All Pearson Edexcel IGCSE mathematics papers with their marking schemes. Latest 2022/2021 papers. All graded A+ papers.

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