Keystones — Bedrock
Five GCSE retrieval questions · 24 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 29
Answer: 45 + 29 = 74 -
2. Algebra Substitution
If x = 9, find the value of 6x + 7
Answer: 61 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 3, 4, 8, 3
Answer: 4.5