Keystones — Bedrock
Five GCSE retrieval questions · 12 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 40
Answer: 44 + 40 = 84 -
2. Algebra Substitution
If x = 6, find the value of 5x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 18, 13, 5
Answer: 12