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Lesson: Ratios Mathematics • 9th Grade

In this lesson, we will learn how to use our understanding of ratios to solve word problems.

Lesson Plan

Students will be able to

  • find the ratio 𝑎∶𝑐 given 𝑎∶𝑏 and 𝑏∶𝑐,
  • share a quantity in a given ratio,
  • solve problems involving sharing a quantity given the relationship between the shares,
  • find a new ratio when a number is added or subtracted from one or both terms of a ratio,
  • find the number added to one or both terms of a ratio given the final ratio.

Lesson Presentation

Lesson Video

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12:59

Lesson Explainer

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