Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 40
Answer: 44 + 40 = 84 -
2. Algebra Substitution
If x = 2, find the value of 5x + 9
Answer: 19 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 8, 13, 19, 20
Answer: 15