Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 84
Answer: 71 + 84 = 155 -
2. Algebra Substitution
If x = 2, find the value of 7x + 10
Answer: 24 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 15, 5, 15, 9
Answer: 11