Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 71
Answer: 46 + 71 = 117 -
2. Algebra Substitution
If x = 4, find the value of 5x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 2, 5, 18, 4, 7
Answer: 7.2