algebra 1 unit 2.7 distributive property
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The Distributive Property
Algebra 1 Unit 2 Lesson 7
Think-pair-share:
Pre-requisites:
Multiplying integerspositive x positive =
positive x negative =
negative x negative =
Identifying like terms
SMOTD
Distributive Property Rule:
a (b + c) = ab + ac
3(40 + 2) -3(40 + 2) -3(-40 - 2)
Practice Problems:
6(6 + 3)
-2(8 + 7)
-5(-5 - 5)
Distributive Property Rule:
a (b + c) = ab + ac
3(x + 2) -3(x + 2) -3(-x - 2)
SMOTD
Practice Problems:
6(x + 9)
-2(x + 7)
-5(-x - 10)
You will get an A for math if you can answer this in 3 seconds:
what is 5 x 37?
Use the concept of D.P. to make multiplication easier:
6 x 52 =
2 x 87 =
3 x 38 =
4 x 106 =
Solve:
2 (3x + 4y)
Combining like terms
1 - 5+ 7 + 4- 3
2x + 5x - 5x+ 2 - 7
1 - 5 + 7 + 4 - 3
+ 2x 5x 2 - 5x2 - 7+ 5
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