Keystones — Bedrock
Five GCSE retrieval questions · 28 October 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 = 8, find the value of 5x + 10
Answer: 50 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 9, 9, 19, 3
Answer: 10