Keystones — Bedrock
Five GCSE retrieval questions · 24 November 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 70
Answer: 65 + 70 = 135 -
2. Algebra Substitution
If x = 3, find the value of 5x + 8
Answer: 23 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 7, 12, 18, 20, 18
Answer: 15