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Algebra >> Ratios, Proportions, and Percents >> Ratios and Rates

Lesson Plan--Ratios, Proportions, and Percents (Gr 8)--Lesson 1--Understanding Ratios, Proportional Relationships, and Rational Numbers

Lesson Plan: Ratios and Proportional Relationships

In this lesson, students explore ratios and proportional relationships, building on their prior knowledge to deepen their understanding of proportional reasoning. They will analyze proportional relationships in tables, graphs, and equations while identifying the constant of proportionality and its significance in real-world applications.

Key concepts covered in this lesson include:

  • Understanding and representing proportional relationships using multiple representations.
  • Determining the constant of proportionality (k) and its connection to unit rates.
  • Comparing proportional and non-proportional relationships using tables and graphs.
  • Applying rational numbers, including fractions and decimals, in proportional reasoning.
  • Solving real-world problems involving scale factors, speed, pricing, and other proportional situations.

Students will engage with problem-solving activities that reinforce the link between proportional relationships and linear equations, setting a strong foundation for algebraic concepts. Through guided practice, they will gain confidence in identifying and using proportional relationships in everyday scenarios.

Subscribers to Media4Math can download these lessons in PDF format for easy classroom use.

Common Core Standards CCSS.MATH.CONTENT.8.NS.A.1, CCSS.MATH.CONTENT.7.RP.A.2, CCSS.MATH.CONTENT.7.RP.A.2.B
Grade Range 6 - 8
Curriculum Nodes Algebra
    • Ratios, Proportions, and Percents
        • Ratios and Rates
        • Percents
        • Proportions
Copyright Year 2025
Keywords rational numbers, ratios, proportions, percents