Keystones — Bedrock
Five GCSE retrieval questions · 8 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 43
Answer: 17 + 43 = 60 -
2. Algebra Substitution
If x = 6, find the value of 5x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 2, 9, 20, 9
Answer: 10