Keystones — Bedrock
Five GCSE retrieval questions · 25 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 16
Answer: 26 + 16 = 42 -
2. Algebra Substitution
If x = 2, find the value of 4x + 12
Answer: 20 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 20, 2, 18, 5
Answer: 11.25