Keystones — Bedrock
Five GCSE retrieval questions · 9 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 43
Answer: 28 + 43 = 71 -
2. Algebra Substitution
If x = 4, find the value of 4x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 15, 20, 2, 4
Answer: 10.25