Keystones — Bedrock
Five GCSE retrieval questions · 5 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 34
Answer: 18 + 34 = 52 -
2. Algebra Substitution
If x = 4, find the value of 3x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 7, 10, 12, 13, 3
Answer: 9