Keystones — Bedrock
Five GCSE retrieval questions · 30 May 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 83
Answer: 90 + 83 = 173 -
2. Algebra Substitution
If x = 6, find the value of 3x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 19, 15, 11, 5
Answer: 12.5