Unit 4 Checkpoint 1 Review

Name the like terms

100

3x + 2 + 2x

3x and 2x are like terms

200

2y + 10xy + 3y

2y and 3y are like terms

300

1a + 2a + 3a

1a, 2a and 3a are all like terms!

400

`3 - 2y + 4x + 5

3 and 5 are like terms

500

5b²  - 5b + 10x - 5

There are none!

Combining Like Terms Addition

100

5b + 6B 

11b

200

2a + 5a + 5

7a + 5

300

15a + 5 + 12a

27a + 5

400

1a + 2 + 3a + 4 + 5a + 6

9a + 12

500

20 + 10a + 5a + 2

22+15a

Combining Like Terms Subtraction

100

5a + 10 - 2a

3a + 10

200

11a - 2a -1

9a - 1

300

5xy + 2ab - 1xy

4xy + 2ab

400

10a - 2a - 5 - 3a

5a - 5

500

20xy + 3 - 5xy - 5

15xy - 2

Distributive Property

100

4 (3x + 2)

12x + 8

200

5 (x + 2)

5x + 10

300

10 (x + 4)

10x + 40

400

-2 (3x + 4)

-6x - 8

500

-3 (-3x - 5)

9x + 15

Like Terms and Distributive Property

100

3(2m + 3m)

3(2m+3m)      - Distribute

6m + 9m         - Combine Like Terms

15m    

200

5 (2x + 5x)

5( -2x + 5x)      - Distribute

-10x + 25x       - Combine Like Terms

15x    

300

-4 (3xy - 2xy)

-4(3xy - 2xy)        - Distribute

-12xy + 8xy         - Combine Like Terms

4xy                      

400

3 (x + 4) - 2x

3 (x + 4) - 2x             - Distribute and carry down

3x + 4 - 2x                 - Combine Like Terms

1x + 4

500

5 (b + 6) -9b

5 (b+6) - 9b            Distribute and carry down

5b + 30 - 9b            Combine Like Terms

-4b + 30