Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 41
Answer: 34 + 41 = 75 -
2. Algebra Substitution
If x = 2, find the value of 3x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 15, 4, 11
Answer: 10