Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 14
Answer: 38 + 14 = 52 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 2, 19, 3
Answer: 8