Keystones — Bedrock
Five GCSE retrieval questions · 1 September 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 92
Answer: 43 + 92 = 135 -
2. Algebra Substitution
If x = 6, find the value of 8x + 3
Answer: 51 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 10, 6, 16
Answer: 10.666666666667