Keystones — Bedrock
Five GCSE retrieval questions · 11 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 41
Answer: 34 + 41 = 75 -
2. Algebra Substitution
If x = 9, find the value of 3x + 3
Answer: 30 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 6, 6, 6, 18, 19
Answer: 11