Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 25
Answer: 38 + 25 = 63 -
2. Algebra Substitution
If x = 4, find the value of 3x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 20, 11, 8
Answer: 13