Keystones — Bedrock
Five GCSE retrieval questions · 11 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 86
Answer: 27 + 86 = 113 -
2. Algebra Substitution
If x = 3, find the value of 8x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 12, 8, 3, 12, 5
Answer: 8