Keystones — Bedrock
Five GCSE retrieval questions · 1 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 48
Answer: 48 + 48 = 96 -
2. Algebra Substitution
If x = 2, find the value of 4x + 7
Answer: 15 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 6, 20, 16, 12, 6
Answer: 12