Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 49
Answer: 93 + 49 = 142 -
2. Algebra Substitution
If x = 4, find the value of 7x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 9, 20, 3
Answer: 10.666666666667