Keystones — Bedrock
Five GCSE retrieval questions · 17 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 41
Answer: 31 + 41 = 72 -
2. Algebra Substitution
If x = 10, find the value of 5x + 8
Answer: 58 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 14, 14, 3, 13, 6
Answer: 10