Keystones — Bedrock
Five GCSE retrieval questions · 6 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 16
Answer: 45 + 16 = 61 -
2. Algebra Substitution
If x = 2, find the value of 3x + 10
Answer: 16 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 5, 14, 20, 20, 9
Answer: 13.6