2(4)
multiplication
4d =8
division
Of 10 m if m = 17
170
Silas is building a football field. If the length is 5x and the width is 6, what expression represents the total distance around the field. (perimeter)
5x + 5x + 6 + 6
10x + 12
Name of this property?
3(12-6)
Distributive
2/7
division
4s + 5 = 13
Of m + 35 - 2n
If m = 5 and n = 1
38
Mattingly is building a lacrosse field. If the length is 12x and the width is 4x what is the perimeter?
12x + 4x + 12x + 4x
32x
How many terms?
7x + 2 - 12t
3
2(w) + 6
multiplication and addition
12t - 6 = 6
add and divide
Of 6 + 11z + 4y
If z=2 and y=1
32
Free Points!!
(You lucky ducks!)
Free points, you lucky ducks
Explain how to distribute the following:
6(5x + 2)
First multiply 6 by 5x
Then multiply 6 by 2
2(s) - 8 + 6
multiplication, subtraction, addition
4(x - 2) = 0
multiplication, subtraction, division
Of 10b - 8 - 4k
If b=6 and k=3
10(6) - 8 - 4(3)
40
Makenzie is building an animal rescue shelter. The dimensions of the building are 25x - 6 by 50 feet. What is the area?
Hint: 50(25x-6)
1,250x - 300
How is an expression different from an equation?
An expression can only be simplified, not solved.
3/5(x) + 15 - 6
_____________
12
multiplication, addition, subtraction, division
9 ( 9p - 2p + 1 )
9(7p + 1)
63p + 9
8g - 6c + 10
g=.5 and c=.5
8(.5) - 6(.5) + 10
4 - 3 + 10
11
If Steven is building a soccer field and the dimensions are 7x + 6 feet by 30 feet, what is the distance around?
7x + 6 + 7x + 6 +30 + 30=
14x + 72
What are inverse operations?
Operations that undo each other