Keystones — Bedrock
Five GCSE retrieval questions · 27 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 39
Answer: 34 + 39 = 73 -
2. Algebra Substitution
If x = 3, find the value of 6x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 12, 4, 2
Answer: 6