Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 47
Answer: 15 + 47 = 62 -
2. Algebra Substitution
If x = 6, find the value of 8x + 9
Answer: 57 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 3, 10, 17, 15
Answer: 11.25