Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 21
Answer: 46 + 21 = 67 -
2. Algebra Substitution
If x = 5, find the value of 4x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 9, 24, 3
Answer: 12