Keystones — Bedrock
Five GCSE retrieval questions · 15 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 27
Answer: 17 + 27 = 44 -
2. Algebra Substitution
If x = 4, find the value of 2x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 5, 2, 17, 20
Answer: 11