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Ratio, proportion and the rule of three

Ratios, proportions, proportional quantities, the rule of three, scales and average speed

The Ratio, proportion and the rule of three unit belongs to the Fractions, decimals and finance section of Math Mental and has 19 lessons: ratios, proportions, proportional quantities, the rule of three, scales and average speed.

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Lessons in this unit

  1. Ratio of two numbers Lesson, 8 questions
  2. Ratios in context Lesson, 8 questions
  3. Ratios of measures Lesson, 8 questions
  4. Proportions and cross products Lesson, 8 questions
  5. Checking proportions Lesson, 8 questions
  6. Directly and inversely proportional quantities Lesson, 8 questions
  7. Tables of quantities Lesson, 8 questions
  8. Direct rule of three Lesson, 8 questions
  9. Inverse rule of three Lesson, 8 questions
  10. Practice: prices and decimals Practice, 10 questions
  11. Compound rule of three Lesson, 8 questions
  12. Map scales Lesson, 8 questions
  13. Floor plans and areas Lesson, 8 questions
  14. Average speed Lesson, 8 questions
  15. km/h and m/s Lesson, 8 questions
  16. Proportional division Lesson, 8 questions
  17. Percentage as a ratio Lesson, 8 questions
  18. Review: everyday problems Practice, 12 questions
  19. Unit test 15 questions

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