Keystones — Bedrock
Five GCSE retrieval questions · 17 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 48
Answer: 27 + 48 = 75 -
2. Algebra Substitution
If x = 10, find the value of 2x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 7, 14, 4
Answer: 8.3333333333333