Keystones — Bedrock
Five GCSE retrieval questions · 24 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 28
Answer: 17 + 28 = 45 -
2. Algebra Substitution
If x = 5, find the value of 4x + 11
Answer: 31 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 10, 20, 15
Answer: 15