Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 28
Answer: 40 + 28 = 68 -
2. Algebra Substitution
If x = 3, find the value of 5x + 3
Answer: 18 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 9, 15, 9, 13, 5
Answer: 10.2