Keystones — Bedrock
Five GCSE retrieval questions · 25 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 49
Answer: 68 + 49 = 117 -
2. Algebra Substitution
If x = 6, find the value of 2x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 18, 12, 3
Answer: 11