Lesson Plan: Ratios Mathematics

This lesson plan includes the objectives and prerequisites of the lesson teaching students how to use our understanding of ratios to solve word problems.


Students will be able to

  • find the ratio 𝑎𝑐 given 𝑎𝑏 and 𝑏𝑐,
  • 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.


Students should already be familiar with

  • sharing a quantity in a ratio,
  • properties of ratios.

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