Keystones — Bedrock
Five GCSE retrieval questions · 29 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 48
Answer: 85 + 48 = 133 -
2. Algebra Substitution
If x = 6, find the value of 6x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 7, 17, 9, 9, 3
Answer: 9