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4MA1/1F Jun 2021, Question 10: Ordering Values

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 3 marks

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The question, in short

Order four fractions 3/8, 1/4, 7/20, 5/16 from smallest to largest, then find the green fraction when green to red beads are in ratio 5 : 9.

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

Part (a) · 2 marks

Arrange 3/8, 1/4, 7/20 and 5/16 in ascending order, beginning with the smallest fraction.

  1. 11/4 = 0.25
  2. 25/16 = 0.3125
  3. 37/20 = 0.35
  4. 43/8 = 0.375
  5. 50.25 < 0.3125 < 0.35 < 0.375
  6. 61/4, 5/16, 7/20, 3/8

Answer1/4, 5/16, 7/20, 3/8

Part (b) · 1 mark

Given green to red beads in ratio 5 : 9, state what fraction of all beads are green.

  1. 1green : red = 5 : 9
  2. 2total parts = 5 + 9 = 14
  3. 3fraction green = 5/14

Answer5/14

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