Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 34
Answer: 69 + 34 = 103 -
2. Algebra Substitution
If x = 4, find the value of 4x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 15, 9, 9
Answer: 11