Keystones — Bedrock
Five GCSE retrieval questions · 5 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 35
Answer: 12 + 35 = 47 -
2. Algebra Substitution
If x = 9, find the value of 3x + 10
Answer: 37 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 17, 7, 16, 12
Answer: 13