Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 37
Answer: 28 + 37 = 65 -
2. Algebra Substitution
If x = 6, find the value of 2x + 6
Answer: 18 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 14, 2, 23
Answer: 13