Integers and Like Terms

Add & Subtract Integers

100

3 + (-7)

-4

200

7 - 10

-3

300

(-12) + (-5)

-17

400

-3 - (-4)

1

500

3 + (-11) + 8

0

Identifying Like Terms

100

Which terms are like terms?

-4x +  2y  +  5x  

-4x and 5x (-4x and +5x)

200

Which terms are like terms?

11a  + 2  +  4a

11a and +4a

300

Which terms are like terms?

12x  + 11  -  4    

11 and -4

400

Which terms are like terms?

12x + 8xy - 15y - 2 + 2xy

8xy and +2xy

500

Which terms are like terms?

-16x + 18 + (-17y) - 12xy + 2y

-17y and 2y

Combining Like Terms

100

Evaluate the expression by combining like terms:   -4x +  2y  +  5x  

x + 2y

200

Evaluate the expression by combining like terms:  11a  + 2  +  4a

15a + 2

300

Evaluate the expression by combining like terms:  12x  + 11  -  4  

12x + 7

400

Evaluate the expression by combining like terms:  12x + 8xy - 15y - 2 + 2xy

12x - 15y + 10xy - 2

500

Evaluate the expression by combining like terms:  -16x + 18 + (-17y) - 12xy + 2y

-16x -15y -12xy + 18

Distributive Property

100

2(4 + 3)

14

200

8(r + 1)

8r + 8

300

8(7x + 8)

56x + 64

400

-2(x - 5)

-2x + 5

500

-3(-2x + 5)

6x - 15

Potpourri

100

What are the like terms?

-3xy + 4y + 6xy + 2 - x

-3xy and +6xy

200

3 - (-5)

8

300

Use the distributive property to evaluate the expression:  -4(2x - 3y) 

-8x + 12y

400

(-5) + (-5) + 1

9

500

Use the distributive property and then simplify by combining like terms:  1 + 2(x + 4)

2x + 9