Multiplication and Division

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Taught by muchomath
  • Currently 4.0/5 Stars.
8024 views | 2 ratings
Meets NCTM Standards:
Lesson Description:

Multiplication and division are explained using a number line. Also, many examples of multiplying and dividing fractions with negative signs. Also, multiplying and dividing by 0 is discussed.

Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.

Questions answered by this video:
  • How do you multiply and divide integers using a number line?
  • Why does a negative number times a negative number equal a positive number?
  • What does any number times 0 equal?
  • What are reciprocals and what do reciprocals equal when they are multiplied?
  • How do you multiply fractions by canceling out common factors?
  • What does -3(-5/6)(-2/3) equal?
  • How do you divide fractions?
  • What does 6/(5/7) equal?
  • What is 0/5?
  • What happens when you divide by 0?
  • Why can't you divide by 0?
  • What is 0 divided by 0?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson explains the concept of multiplication and division using a number line. Reciprocals are revisited, fractions are multiplied and divided, and several example problems are shown for simplifying expressions with multiplication and division and using negative signs.
  • squeaky78

    • Currently 5.0/5 Stars.
    i love it