Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 41
Answer: 23 + 41 = 64 -
2. Algebra Substitution
If x = 6, find the value of 2x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 12, 9, 6
Answer: 9