Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 62
Answer: 23 + 62 = 85 -
2. Algebra Substitution
If x = 6, find the value of 4x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 7, 7, 17, 7
Answer: 8