Keystones — Bedrock
Five GCSE retrieval questions · 25 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 33
Answer: 24 + 33 = 57 -
2. Algebra Substitution
If x = 9, find the value of 3x + 11
Answer: 38 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 13, 10, 19
Answer: 12