Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 17
Answer: 10 + 17 = 27 -
2. Algebra Substitution
If x = 3, find the value of 3x + 5
Answer: 14 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 11, 20, 5
Answer: 12