Keystones — Bedrock
Five GCSE retrieval questions · 22 January 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 22
Answer: 29 + 22 = 51 -
2. Algebra Substitution
If x = 9, find the value of 4x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 17, 20, 20
Answer: 19