Keystones — Bedrock
Five GCSE retrieval questions · 27 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 35
Answer: 28 + 35 = 63 -
2. Algebra Substitution
If x = 3, find the value of 3x + 10
Answer: 19 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 3, 18, 13, 14, 17
Answer: 13