Keystones — Bedrock
Five GCSE retrieval questions · 26 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 34
Answer: 39 + 34 = 73 -
2. Algebra Substitution
If x = 5, find the value of 2x + 8
Answer: 18 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 6, 3, 19, 8
Answer: 9