Keystones — Bedrock
Five GCSE retrieval questions · 9 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 12
Answer: 29 + 12 = 41 -
2. Algebra Substitution
If x = 7, find the value of 5x + 12
Answer: 47 -
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: 23, 12, 7
Answer: 14