Keystones — Bedrock
Five GCSE retrieval questions · 27 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 87
Answer: 73 + 87 = 160 -
2. Algebra Substitution
If x = 6, find the value of 8x + 9
Answer: 57 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 6, 16, 10
Answer: 10.666666666667