Distributive Property Part 1 - pos numbers

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
7728 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Description:

Distributive property of multiplication over addition, part 1. No neg numbers or subtraction.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • What is the distributive property of multiplication over addition?
  • Why does m*n = m(n) = (m)n = (m)(n) = mn?
  • Why does a(b + c) = ab + ac?
  • How can you simplify 3(4 + 5) using the distributive property?
  • If you want to buy 13 pencils at 7 cents each, how could you find 7*13 using the distributive property to figure out how much they cost?
  • How can you simplify 5(x + 8) using the distributive property?
  • How do you write 4(m + 13) without parentheses using the distributive property?
  • What does 6(2m + 7) simplify to without parentheses?
  • How do you simplify 8(3m + 4)?
  • How could you simplify 3(x + 8) + 14 using the distributive property?
  • What does 5(2x + 5) + 9 simplify to?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson is a very basic introduction to the distributive property of multiplication over addition. Some example problems are done to illustrate how this property works. Only addition is included in these examples.