Keystones — Bedrock
Five GCSE retrieval questions · 2 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 36
Answer: 17 + 36 = 53 -
2. Algebra Substitution
If x = 3, find the value of 3x + 11
Answer: 20 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 20, 11, 12
Answer: 14.333333333333