Keystones — Bedrock
Five GCSE retrieval questions · 4 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 44
Answer: 27 + 44 = 71 -
2. Algebra Substitution
If x = 8, find the value of 4x + 3
Answer: 35 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 20, 5, 5
Answer: 10