Keystones — Bedrock
Five GCSE retrieval questions · 25 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 67
Answer: 91 + 67 = 158 -
2. Algebra Substitution
If x = 7, find the value of 5x + 8
Answer: 43 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 12, 11, 13, 6, 8
Answer: 10