Keystones — Bedrock
Five GCSE retrieval questions · 17 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 30
Answer: 37 + 30 = 67 -
2. Algebra Substitution
If x = 4, find the value of 5x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 4, 5, 15
Answer: 8