Keystones — Bedrock
Five GCSE retrieval questions · 20 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 73
Answer: 36 + 73 = 109 -
2. Algebra Substitution
If x = 10, find the value of 3x + 11
Answer: 41 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 12, 19, 8, 10, 14
Answer: 12.6