Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 41
Answer: 18 + 41 = 59 -
2. Algebra Substitution
If x = 6, find the value of 5x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 13, 23, 5, 8, 6
Answer: 11