Keystones — Bedrock
Five GCSE retrieval questions · 23 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 40
Answer: 85 + 40 = 125 -
2. Algebra Substitution
If x = 9, find the value of 6x + 8
Answer: 62 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 8, 19, 5, 4
Answer: 9