Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 60 + 55
Answer: 60 + 55 = 115 -
2. Algebra Substitution
If x = 7, find the value of 2x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 3, 13, 14, 17, 16
Answer: 12.6