Keystones — Bedrock
Five GCSE retrieval questions · 30 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 41
Answer: 14 + 41 = 55 -
2. Algebra Substitution
If x = 7, find the value of 3x + 9
Answer: 30 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 19, 19, 8, 2, 12
Answer: 12