Keystones — Bedrock
Five GCSE retrieval questions · 23 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 38
Answer: 45 + 38 = 83 -
2. Algebra Substitution
If x = 7, find the value of 2x + 10
Answer: 24 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 7, 24, 2
Answer: 11