Warmups:

31( )(15 )5p p

3 2(2 )x y 2 4 2 2( 5 ) [(2 ) ]mn mn

4 7a a

awwwwwwwwwww

9-1 Multiplying MonomialsObjective: To find the area or volume of a shape.

Standard 10.0

Negative numbers and Powers

(-5)2 = (-5)(-5) = 25

(-5)3 = (-5)(-5)(-5) = -125

-52 = -(5)2 = -25

Even exponent = positive #, Odd exponent = negative #

TOO1. (-3x)3

2. -(4x5y)3

3. (6xy5)(-3xy2)

•Things that are multiplied together are called…

▫FACTORS!

Zero Power•Anything to the zero power is….. ?

▫1012 0x 012x

0 53x y

Example 1

23a b

Find the area of the shape.

Area = (length)(width)

2 25a b

Example 2Find the volume of the shape.

Volume = (length)(width)(height)

3ab

4 22a b32b

Your turn!

1. Pick a shape: or

2. Label the sides with monomials1. Don’t be afraid to use negative coefficients

and fractions 3. Switch with a partner (across the aisle)4. Partner will find area or volume5. Switch back and check answer

Homework•9-1 Practice (worksheet)

If your homework doesn’t make you smile, I hope this little guy does!!

Whiteboards •Whiteboard•Sock•marker

Big Yellow Dice Game!!

Review33

22( )7

41( )5

0 29x y

Review9 6( )( )x x 15x

2( 13 )x 2169x

4 3(7 )(8 )x x 756x

Review3 5(2 )x y 15 532x y

46x

3 4(4 )(3 )x y x y7 212x y

Review4 2 4 3(5 ) (2 )x x 20200x

2 26 9 3x xy y

2 2 2(6 ) ( 8 2 )x xy y xy y

2 2( 3 9) ( 9 4 6)x x x x 28 7 3x x

Review4(5 7 )x y 20 28x y

13x8 5( )( )x x

2( 12 )x 12144x

Math LabTo review Adding and Multiplying Monomials.

Standard 10.0

Math Lab Warmups

7 2 4 3(3 ) (2 )x x

2 2 2(2 3 ) ( 5 2 )x xy y xy y

2 2(7 4 11) ( 9 3 5)x x x x

Let’s review some concepts..

•Rules of exponents

•Factors are __________________•Zero Exponent rule: ______________

Review4 2 4 3(5 ) (2 )x x 20200x

2 26 9 3x xy y

2 2 2(6 ) ( 8 2 )x xy y xy y

2 2( 3 9) ( 9 4 6)x x x x 28 7 3x x

Review4(5 7 )x y 20 28x y

13x8 5( )( )x x

2( 12 )x 12144x

Around the World

•Get out a piece of paper•Label it “Around the world”•Number each question 1-10•Show all of your work