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Lesson 3

1. Lesson 3

1.3. Refresher

Mathematics 20-1 Module 6

Module 6: Rational Expressions

 

Refresher

 

This is a play button that opens Lowest Common Multiple.

Determine the lowest common multiple of a set of numbers.

 

Open Lowest Common Multiple to review the definition and use an applet to find the lowest common multiple.

This is a play button that opens “Adding Fractions with Unlike Denominators.”

Khan Academy (CC BY-NC-SA 3.0)

Open “Adding Fractions with Unlike Denominators” for a review of addition techniques.

This is a play button that opens “Adding Mixed Fractions with Unlike Denominators.”

Khan Academy (CC BY-NC-SA 3.0)

Open “Adding Mixed Numbers with Unlike Denominators” for a review of addition techniques.

This is a play button that opens “Subtracting Fractions.”

Khan Academy (CC BY-NC-SA 3.0)

Review subtraction of fractions with “Subtracting Fractions.”

This is a play button that opens “Subtracting Mixed Numbers.”

Khan Academy (CC BY-NC-SA 3.0)

“Subtracting Mixed Numbers” will provide you with review of subtracting terms with mixed fractions.

Review how to evaluate expressions using the correct order of operations with the following two activities:

  • “Order of Operations”

    This is a play button that opens “Order of Operations.”
    Khan Academy (CC BY-NC-SA 3.0)


  • “Order of Operations 2”

    This is a play button that opens “Order of Operations 2.”
    Khan Academy (CC BY-NC-SA 3.0)

Go back to the Are You Ready section and try the questions again. If you are still having difficulty, contact your teacher.