2.4, 2.5 Number & Distributive Property.notebook
September 14, 2011
Add this property to the properties chart in your notes
Chapter 2 Section 4:
The Distributive Property!!
The Distributive Property
a(b + c) = ab + ac
or
) = a(b ­ c ab ­ ac
Aug 31­5:10 PM
Testing The Distributive Property
a(b + c) = ab + ac
Substitute numbers for a, b, and c into the distributive property equation to see if it's true
Aug 31­5:38 PM
Simplifying an Expression Using the
Distributive Property
a. 2(5x + 3) b. (3b ­ 2)3
Let a = 2, b = 5, and c = 3
Aug 31­5:55 PM
Using the Multiplication Property of -1
a. ­ (6x + 4) b. ­ (3 ­ 8a)
Aug 31­5:55 PM
When reading a mathematical expression with parentheses out loud, whatever is in the parentheses is referred to as a quantity
(3 8) ÷ (4 2)
the quantity four times two
The quantity three times eight
divided by
Aug 31­5:57 PM
Sep 9­4:30 PM
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2.4, 2.5 Number & Distributive Property.notebook
September 14, 2011
Write an Expression:
Three times the quantity x minus
The product of x and 10
five
Homework #8
The sum of 5 and y
Negative 2 times the quantity t plus
seven
The quotient of 24 and z
The product of fourteen and the
quantity eight plus w
Sep 9­4:30 PM
Pg 82 #15-21 odd, 25-33 odd,
39-46, 55, 61, 63, 71, 72, 74
Sep 13­12:56 PM
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