Keystones — Bedrock
Five GCSE retrieval questions · 6 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 33
Answer: 49 + 33 = 82 -
2. Algebra Substitution
If x = 2, find the value of 3x + 3
Answer: 9 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 3, 2, 10
Answer: 5