Keystones — Bedrock
Five GCSE retrieval questions · 1 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 45
Answer: 40 + 45 = 85 -
2. Algebra Substitution
If x = 10, find the value of 3x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 17, 13, 15
Answer: 15