Keystones — Bedrock
Five GCSE retrieval questions · 4 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 84
Answer: 63 + 84 = 147 -
2. Algebra Substitution
If x = 6, find the value of 2x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 12, 20, 14, 9
Answer: 13.75