Keystones — Bedrock
Five GCSE retrieval questions · 11 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 28
Answer: 36 + 28 = 64 -
2. Algebra Substitution
If x = 4, find the value of 6x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 17, 8, 19
Answer: 14.666666666667