Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 30
Answer: 35 + 30 = 65 -
2. Algebra Substitution
If x = 9, find the value of 2x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 18, 11, 10
Answer: 13