Keystones — Bedrock
Five GCSE retrieval questions · 4 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 14
Answer: 12 + 14 = 26 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 7, 24, 14
Answer: 15