Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 85
Answer: 52 + 85 = 137 -
2. Algebra Substitution
If x = 2, find the value of 4x + 12
Answer: 20 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 15, 15, 12, 13, 20
Answer: 15