Keystones — Bedrock
Five GCSE retrieval questions · 15 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 96 + 34
Answer: 96 + 34 = 130 -
2. Algebra Substitution
If x = 10, find the value of 5x + 10
Answer: 60 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 13, 20, 6
Answer: 13