Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 53
Answer: 50 + 53 = 103 -
2. Algebra Substitution
If x = 9, find the value of 3x + 12
Answer: 39 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 19, 6, 12
Answer: 12.333333333333