Keystones — Bedrock
Five GCSE retrieval questions · 24 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 17
Answer: 24 + 17 = 41 -
2. Algebra Substitution
If x = 2, find the value of 4x + 9
Answer: 17 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 3, 2, 16
Answer: 7