Keystones — Bedrock
Five GCSE retrieval questions · 1 October 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 34
Answer: 85 + 34 = 119 -
2. Algebra Substitution
If x = 7, find the value of 3x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 12, 3, 8, 17
Answer: 10