Keystones — Bedrock
Five GCSE retrieval questions · 17 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 96
Answer: 84 + 96 = 180 -
2. Algebra Substitution
If x = 5, find the value of 5x + 12
Answer: 37 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 19, 12, 2
Answer: 11