Keystones — Bedrock
Five GCSE retrieval questions · 18 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 31
Answer: 46 + 31 = 77 -
2. Algebra Substitution
If x = 7, find the value of 8x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 15, 13, 16
Answer: 14.666666666667