Keystones — Bedrock
Five GCSE retrieval questions · 15 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 30
Answer: 38 + 30 = 68 -
2. Algebra Substitution
If x = 9, find the value of 3x + 11
Answer: 38 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 5, 7, 20, 16
Answer: 12