Keystones — Bedrock
Five GCSE retrieval questions · 4 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 13
Answer: 47 + 13 = 60 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 20, 10, 22, 4, 4
Answer: 12