Keystones — Bedrock
Five GCSE retrieval questions · 11 January 2023 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 15
Answer: 42 + 15 = 57 -
2. Algebra Substitution
If x = 6, find the value of 6x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 6, 8, 12, 15, 6
Answer: 9.4