Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 40
Answer: 30 + 40 = 70 -
2. Algebra Substitution
If x = 10, find the value of 3x + 9
Answer: 39 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 1, 4, 13
Answer: 6