Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 46
Answer: 35 + 46 = 81 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 25, 3, 9, 6, 17
Answer: 12