Keystones — Bedrock
Five GCSE retrieval questions · 15 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 15
Answer: 14 + 15 = 29 -
2. Algebra Substitution
If x = 7, find the value of 4x + 8
Answer: 36 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 2, 10, 10, 2
Answer: 6