Keystones — Bedrock
Five GCSE retrieval questions · 28 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 14
Answer: 45 + 14 = 59 -
2. Algebra Substitution
If x = 7, find the value of 5x + 10
Answer: 45 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 5, 6, 13
Answer: 8