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4024/12 Oct/Nov 2023, Question 1: Adding, Subtracting, Multiplying and Dividing Decimals

Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 3 marks

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The question, in short

Work out three separate arithmetic calculations involving decimals and order of operations, giving each answer.

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

Part (a) · 1 mark

Multiply 0.05 by 0.3.

  1. 10.05 × 0.3 = 5 × 3 ÷ 1000
  2. 2= 0.015

Answer0.015

Part (b) · 1 mark

Divide 600 by 0.2.

  1. 1600 ÷ 0.2 = 6000 ÷ 2
  2. 2= 3000

Answer3000

Part (c) · 1 mark

Evaluate 20 − 12 ÷ (8 − 6), following order of operations.

  1. 112 ÷ (8 − 6) = 12 ÷ 2 = 6
  2. 220 − 6 = 14

Answer14

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Also searched as: 4024/12/O/N/23 · 4024_w23_qp_12 · 4024 w23 12 · question 1.
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