Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 34
Answer: 31 + 34 = 65 -
2. Algebra Substitution
If x = 6, find the value of 2x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 2, 12, 16
Answer: 10