Keystones — Bedrock
Five GCSE retrieval questions · 15 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 30
Answer: 95 + 30 = 125 -
2. Algebra Substitution
If x = 5, find the value of 4x + 6
Answer: 26 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 19, 4, 14, 15
Answer: 13