Keystones — Bedrock
Five GCSE retrieval questions · 11 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 37
Answer: 42 + 37 = 79 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 4, 17, 3
Answer: 8