Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 34
Answer: 18 + 34 = 52 -
2. Algebra Substitution
If x = 3, find the value of 5x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 3, 14, 9, 10
Answer: 9