Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 71
Answer: 36 + 71 = 107 -
2. Algebra Substitution
If x = 6, find the value of 4x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 3, 4, 13, 2, 7
Answer: 5.8