1. Warm Up 10/28/13
– 5 – (4)
– 7 – (-6)
– (-10) – (-8)

2. Topic: Distributive property
Objective: To use Distributive
Property to simplify expressions
Standard: 1.1
Question /
Key Words
Notes or Solutions to Problems

3. Simplify using the distributive property Examples 6(12 – b) 72 – 6b
Question /
Key Words
Notes or Solutions to Problems
Simplify using
the distributive
property
Examples
6(12 – b) 72
– 6b
3) (c + 1)(5) 5c
+ 5
4) 3(a – 8) 3a
– 24

4. Simplify using the distributive property Examples 5) -2(2x + 4 ) -4x
Question /
Key Words
Notes or Solutions to Problems
Simplify using
the distributive
property
Examples
5) -2(2x + 4 )
-4x
– 8
6) a(a – 8) a2
– 8a
7) - (x – 2) 1 -x
+ 2
8) - (-3 – x) 1 3
+ x

5. (16x) (12) Simplify using the distributive property Examples 1
Question /
Key Words
Notes or Solutions to Problems
Simplify using
the distributive
property
Examples 1 1
(16x) 1
(12)
9) (16x + 12 ) 4 + 4 4 1 1 16 12 x + 4 4 4x
+ 3

6. (3x) (9) Simplify using the distributive property Examples 1
Question /
Key Words
Notes or Solutions to Problems
Simplify using
the distributive
property
Examples 1 1
(3x) 1
(9)
10) (3x – 9) 3 – 3 3 1 1 3 9 x – 3 3 x
– 3

7. Simplify using the distributive property Examples 1 11) - (6x + 12)
Question /
Key Words
Notes or Solutions to Problems
Simplify using
the distributive
property
Examples 1
11) - (6x + 12)
-2x
– 4 3 1
12) (10x + 25) 2x
+ 5 5

8. (10x) (25) Simplify using the distributive property Examples 2
Question /
Key Words
Notes or Solutions to Problems
Simplify using
the distributive
property
Examples 2 2
(10x) 2
(25)
13) (10x + 25) 5 + 5 5 1 1 20 50 x + 5 5 4x
+ 10

9. (3x) (9) Simplify using the distributive property Examples 2
Question /
Key Words
Notes or Solutions to Problems
Simplify using
the distributive
property
Examples 2 2
(3x) 2
(9)
13) (3x – 9) 3 – 3 3 1 1 6 18 x – 3 3 2x
– 6

10. 5 7 + 3 35 15 5 7 3 5(7) + 5(3) A = l•w = w•l = 5 (7 + 3) = = 35 + 15
Question /
Key Words
Notes or Solutions to Problems
Find the area
of a rectangle whose
width is 5 and whose
length is 5
7 + 3
5(7)
+ 5(3)
A = l•w = w•l = 5
(7 + 3) = = 35
+ 15 = 50
un2 35 15 5

11. w l 2w + 9 w (2w + 9) 2) Find an expression for the
Question /
Key Words
Notes or Solutions to Problems
2) Find an
expression for the
area of a rectangle
if its length is 9
more than twice
its width. w l = 2w + 9
Area = l•w = w•l w
(2w + 9)
2w2
+ 9w

12. w l 2w – 3 w (2w – 3) 3) Find an expression for the
Question /
Key Words
Notes or Solutions to Problems
3) Find an
expression for the
area of a rectangle
if its length is 3
less than twice
its width. w l = 2w – 3
Area = l•w = w•l w
(2w – 3)
2w2
– 3w