Keystones — Bedrock
Five GCSE retrieval questions · 2 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 18
Answer: 33 + 18 = 51 -
2. Algebra Substitution
If x = 3, find the value of 3x + 4
Answer: 13 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 14, 6, 16
Answer: 12