Keystones — Bedrock
Five GCSE retrieval questions · 30 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 34
Answer: 12 + 34 = 46 -
2. Algebra Substitution
If x = 7, find the value of 2x + 4
Answer: 18 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 3, 7, 3, 6, 16
Answer: 7