Keystones — Bedrock
Five GCSE retrieval questions · 16 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 41
Answer: 17 + 41 = 58 -
2. Algebra Substitution
If x = 10, find the value of 5x + 10
Answer: 60 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 13, 5, 16, 16, 20
Answer: 14