Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 40
Answer: 13 + 40 = 53 -
2. Algebra Substitution
If x = 6, find the value of 3x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 1, 12, 2
Answer: 5