Keystones — Bedrock
Five GCSE retrieval questions · 3 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 98
Answer: 64 + 98 = 162 -
2. Algebra Substitution
If x = 2, find the value of 8x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 20, 8, 8, 5, 18
Answer: 11.8