Keystones — Bedrock
Five GCSE retrieval questions · 19 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 22
Answer: 64 + 22 = 86 -
2. Algebra Substitution
If x = 8, find the value of 8x + 4
Answer: 68 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 2, 19, 10, 11
Answer: 12