Keystones — Bedrock
Five GCSE retrieval questions · 4 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 28
Answer: 40 + 28 = 68 -
2. Algebra Substitution
If x = 2, find the value of 8x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 12, 18
Answer: 12.333333333333