Module 3: Addition and Subtraction of Fractions

Module 3Addition and Subtraction of Fractions

  • Topic A: Equivalent Fractions

    Lesson 1 Objective:  Make equivalent fractions with the number line, the area model, and numbers.
    Lesson 2 Objective:  Make equivalent fractions with sums of fractions with like denominators.

    Khan Academy Topic A: Equivalent fractions


    Topic B: Making Like Units Pictorially

    Lesson 3  Objective:  Add fractions with unlike units using the strategy of creating equivalent fractions.
    Lesson 4  Objective: Add fractions with sums between 1 and 2.
    Lesson 5  Objective: Subtract fractions with unlike units using the strategy of creating equivalent fractions.
    Lesson 6  Objective: Subtract fractions from numbers between 1 and 2.
    Lesson 7  Objective: Solve two-step word problems.

    Khan Academy Topic B: Making like units pictorially


    Topic C: Making Like Units Numerically

    Lesson 8  Objective: Add fractions to and subtract fractions from whole numbers using equivalence and the number line as strategies.
    Lesson 9  Objective: Add fractions making like units numerically.
    Lesson 10  Objective: Add fractions with sums greater than 2.
    Lesson 11  Objective: Subtract fractions making like units numerically.
    Lesson 12  Objective: Subtract fractions greater than or equal to 1.

    Khan Academy Topic C: Making like units numerically


    Topic D: Further Applications

    Lesson 13  Objective: Use fraction benchmark numbers to assess reasonableness of addition and subtraction equations
    Lesson 14  Objective:  Strategize to solve multi-term problems.
    Lesson 15  Objective: Solve multi-step word problems; assess reasonableness of solutions using benchmark numbers.
    Lesson 16 Objective: Explore part to whole relationships.

    Khan Academy Topic D:  Further applications
    Khan Academy: Module Three Practice test