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4MA1/2F Jan 2019, Question 4: Expand and Simplify

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 4 marks

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The question, in short

Simplify three algebraic expressions and solve two simple equations involving m, p, g and k.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Simplify 4m + 2m − m.

  1. 14m + 2m = 6m
  2. 26m − m = 5m

Answer5m

Part (b) · 1 mark

Simplify 5p × 7.

  1. 15p × 7 = 35p

Answer35p

Part (c) · 1 mark

Solve 8g = 40 for g.

  1. 18g = 40
  2. 2g = 40 ÷ 8
  3. 3g = 5

Answer5

Part (d) · 1 mark

Solve 19 − k = 4 for k.

  1. 1Add k and subtract 4 from both sides: k = 19 − 4
  2. 2k = 15

Answer15

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