Keystones — Bedrock
Five GCSE retrieval questions · 6 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 50
Answer: 43 + 50 = 93 -
2. Algebra Substitution
If x = 4, find the value of 2x + 9
Answer: 17 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 16, 18, 20, 6
Answer: 15