Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 86
Answer: 30 + 86 = 116 -
2. Algebra Substitution
If x = 2, find the value of 4x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 10, 13, 2, 3, 12
Answer: 8