Keystones — Bedrock
Five GCSE retrieval questions · 6 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 30
Answer: 10 + 30 = 40 -
2. Algebra Substitution
If x = 4, find the value of 5x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 10, 8, 16, 3, 3
Answer: 8