Keystones — Bedrock
Five GCSE retrieval questions · 20 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 46
Answer: 11 + 46 = 57 -
2. Algebra Substitution
If x = 2, find the value of 4x + 12
Answer: 20 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 14, 19, 2, 13
Answer: 12