Keystones — Bedrock
Five GCSE retrieval questions · 7 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 40
Answer: 32 + 40 = 72 -
2. Algebra Substitution
If x = 9, find the value of 7x + 5
Answer: 68 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 25, 10, 9, 17, 14
Answer: 15