Keystones — Bedrock
Five GCSE retrieval questions · 18 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 63
Answer: 75 + 63 = 138 -
2. Algebra Substitution
If x = 4, find the value of 2x + 12
Answer: 20 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 19, 2, 13
Answer: 11.333333333333