Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 24
Answer: 64 + 24 = 88 -
2. Algebra Substitution
If x = 4, find the value of 8x + 8
Answer: 40 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 13, 14, 5
Answer: 10.666666666667