Keystones — Bedrock
Five GCSE retrieval questions · 16 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 57
Answer: 20 + 57 = 77 -
2. Algebra Substitution
If x = 5, find the value of 8x + 9
Answer: 49 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 20, 3, 4
Answer: 9