Keystones — Bedrock
Five GCSE retrieval questions · 30 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 45
Answer: 34 + 45 = 79 -
2. Algebra Substitution
If x = 2, find the value of 5x + 7
Answer: 17 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 7, 17, 10, 9, 10
Answer: 10.6