Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 40
Answer: 47 + 40 = 87 -
2. Algebra Substitution
If x = 10, find the value of 7x + 5
Answer: 75 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 4, 12, 12, 8
Answer: 9