Keystones — Bedrock
Five GCSE retrieval questions · 11 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 44
Answer: 20 + 44 = 64 -
2. Algebra Substitution
If x = 7, find the value of 4x + 4
Answer: 32 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 7, 5, 5
Answer: 5.6666666666667