Keystones — Bedrock
Five GCSE retrieval questions · 30 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 42
Answer: 52 + 42 = 94 -
2. Algebra Substitution
If x = 7, find the value of 7x + 12
Answer: 61 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 18, 5, 2, 3, 17
Answer: 9