Keystones — Bedrock
Five GCSE retrieval questions · 22 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 71
Answer: 62 + 71 = 133 -
2. Algebra Substitution
If x = 3, find the value of 3x + 10
Answer: 19 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 4, 10, 19, 19
Answer: 13