Keystones — Bedrock
Five GCSE retrieval questions · 3 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 71
Answer: 23 + 71 = 94 -
2. Algebra Substitution
If x = 2, find the value of 7x + 3
Answer: 17 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 3, 2, 19, 4
Answer: 7