Section: Module 1: Lesson 3: Ratio, Proportion, and Percentages | Intro to Algebra & Trigonometry | NextGenU.org

  • Student Learning Outcomes:
    Upon completion of this lesson, you will be able to:
    • Solving ratio and rates problems.
    • Examine the use of proportions in solving real-life problems.
    • Calculate percentages of given values.
    • Calculate a reverse percentage problem.
    • Convert between percent, decimals, and fractions.
    • Calculate percent increase or decrease.
    Approximate time required for the readings for this lesson (at 144 words/minute): 4 hours and 15 minutes.

    Click here to start this lesson

    • Required Learning Resources and Activities
    • Read Section 6.1: Ratio and Rates - Pages 447-453. (20 minutes)

      College of the Redwoods - 2013

    • Read Section 6.2: Proportion - Pages 456-461. (20 minutes)

      College of the Redwoods - 2013

    • Read Section 7.1: Percents, Decimals, Fractions - Pages 502-506. (25 minutes)

      College of the Redwoods - 2013

    • Read Section 7.4: Percent Increase and Decrease 529-537. (20 minutes)

      College of the Redwoods - 2013

    • Additional Resources for Optional Learning
    • Read pages 570 - 583. (15 minutes)

      OpenStax, Rice University- 2015