Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 22
Answer: 14 + 22 = 36 -
2. Algebra Substitution
If x = 5, find the value of 7x + 5
Answer: 40 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 14, 7, 2, 9
Answer: 8