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What students learn

In this lesson, students apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.

  • Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.

  • Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers.

  • Solve real-world and mathematical problems involving the four operations with rational numbers.

Course curriculum

    1. About Opposite Quantities

    2. Distances on the Number Line

    3. Sums of Rational Numbers

    4. Differences of Rational Numbers

    5. Practice on Addition and Subtraction of Rational Numbers

    1. Multiplication of Rational Numbers

    2. Division of Rational Numbers

    3. Practice on Multiplication and Division

    4. Conversion of Rational Numbers into Decimal Form

    5. Solving Some Real World Problems

About this course

  • 10 lessons