Keystones — Bedrock
Five GCSE retrieval questions · 7 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 44
Answer: 21 + 44 = 65 -
2. Algebra Substitution
If x = 7, find the value of 6x + 3
Answer: 45 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 2, 16, 12
Answer: 10