Keystones — Bedrock
Five GCSE retrieval questions · 20 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 12
Answer: 28 + 12 = 40 -
2. Algebra Substitution
If x = 5, find the value of 3x + 4
Answer: 19 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 17, 16, 16, 12, 9
Answer: 14