Keystones — Bedrock
Five GCSE retrieval questions · 6 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 98
Answer: 27 + 98 = 125 -
2. Algebra Substitution
If x = 7, find the value of 4x + 12
Answer: 40 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 15, 6, 12, 13, 16
Answer: 12.4