Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 52
Answer: 70 + 52 = 122 -
2. Algebra Substitution
If x = 3, find the value of 3x + 11
Answer: 20 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 12, 2, 25, 2, 14
Answer: 11