Keystones — Bedrock
Five GCSE retrieval questions · 29 January 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 97
Answer: 25 + 97 = 122 -
2. Algebra Substitution
If x = 2, find the value of 4x + 4
Answer: 12 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 16, 2, 5
Answer: 8.5