Keystones — Bedrock
Five GCSE retrieval questions · 3 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 41
Answer: 43 + 41 = 84 -
2. Algebra Substitution
If x = 6, find the value of 5x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 18, 7, 11
Answer: 12