Keystones — Bedrock
Five GCSE retrieval questions · 5 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 32
Answer: 47 + 32 = 79 -
2. Algebra Substitution
If x = 3, find the value of 7x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 11, 17, 16
Answer: 14.666666666667