Keystones — Bedrock
Five GCSE retrieval questions · 6 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 33
Answer: 28 + 33 = 61 -
2. Algebra Substitution
If x = 6, find the value of 5x + 7
Answer: 37 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 20, 12, 22, 7, 9
Answer: 14