Keystones — Bedrock
Five GCSE retrieval questions · 28 November 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 82
Answer: 86 + 82 = 168 -
2. Algebra Substitution
If x = 9, find the value of 2x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 18, 1, 7, 20, 4
Answer: 10