Keystones — Bedrock
Five GCSE retrieval questions · 21 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 37
Answer: 30 + 37 = 67 -
2. Algebra Substitution
If x = 8, find the value of 3x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 19, 20, 6
Answer: 15