Keystones — Bedrock
Five GCSE retrieval questions · 30 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 55
Answer: 44 + 55 = 99 -
2. Algebra Substitution
If x = 7, find the value of 5x + 8
Answer: 43 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 13, 6, 4, 6, 14
Answer: 8.6