Keystones — Bedrock
Five GCSE retrieval questions · 22 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 28
Answer: 17 + 28 = 45 -
2. Algebra Substitution
If x = 4, find the value of 7x + 11
Answer: 39 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 9, 15, 9
Answer: 11