Keystones — Bedrock
Five GCSE retrieval questions · 16 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 29
Answer: 17 + 29 = 46 -
2. Algebra Substitution
If x = 3, find the value of 3x + 10
Answer: 19 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 11, 2, 4, 19, 14
Answer: 10