Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 46
Answer: 66 + 46 = 112 -
2. Algebra Substitution
If x = 4, find the value of 3x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 9, 1, 20
Answer: 10