September 03, 2015
Investigation 4.2
Using the Distributive Property
Focus Question:
How is the Distributive Property used to create
equivalent expressions? How is finding the area of a
rectangle related to the Distributive Property?
Vocabulary
Distributive Property
September 03, 2015
Launch
How can you express 48 as the product of two
numbers?
How can you express 48 as the sum of two numbers?
Think about 8 + 40 and 2(4) + 2(20). Are these
expressions equivalent?
Explore
What is the area of the entire
backyard?
What is the area of the garden?
What is the area of the remaining
backyard?
How are these parts related?
September 03, 2015
Explore
cont.
Which is easier to compute, 6 x 10
or (6 x 2) + (6 x 8)
Why would you write
(6 * 2) + (6 * 8)?
p. 68-69
September 03, 2015
p. 68-69
p. 68-69
September 03, 2015