Math 8 · Unit 12: Ratio and proportion · Cambridge Lower Secondary Maths Stage 8
12.1 Simplifying ratios
15 questions · e.g. Simplify 24 : 36.
Questions
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3. Write 4 : 10 in the form 1 : n.
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7. Simplify 45 minutes : 2 hours.
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9. A class has 12 boys and 18 girls. Ratio girls : boys?
Check10. Write 5 : 8 in the form 1 : n.
Check11. Are 6 : 9 and 10 : 15 equivalent?
Check12. Simplify 80c : $2 (100c = $1).
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14. A map scale 2 cm : 1 km. Simplest form?
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