Keystones — Bedrock
Five GCSE retrieval questions · 15 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 44
Answer: 10 + 44 = 54 -
2. Algebra Substitution
If x = 6, find the value of 3x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 7, 20
Answer: 13