Keystones — Bedrock
Five GCSE retrieval questions · 23 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 19
Answer: 27 + 19 = 46 -
2. Algebra Substitution
If x = 2, find the value of 7x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 15, 19, 2, 16
Answer: 13