Keystones — Bedrock
Five GCSE retrieval questions · 12 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 49
Answer: 74 + 49 = 123 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 6, 18, 3
Answer: 9