Keystones — Bedrock
Five GCSE retrieval questions · 19 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 22
Answer: 38 + 22 = 60 -
2. Algebra Substitution
If x = 2, find the value of 5x + 12
Answer: 22 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 19, 1, 8, 12
Answer: 10