Keystones — Bedrock
Five GCSE retrieval questions · 9 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 37
Answer: 87 + 37 = 124 -
2. Algebra Substitution
If x = 7, find the value of 2x + 9
Answer: 23 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 6, 12, 6
Answer: 8