Keystones — Bedrock
Five GCSE retrieval questions · 2 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 22
Answer: 57 + 22 = 79 -
2. Algebra Substitution
If x = 4, find the value of 2x + 7
Answer: 15 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 9, 4, 3, 7, 7
Answer: 6