Keystones — Bedrock
Five GCSE retrieval questions · 17 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 69
Answer: 80 + 69 = 149 -
2. Algebra Substitution
If x = 6, find the value of 2x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 17, 2, 8
Answer: 9