Adding and Subtracting Like Terms

Which are like terms?

100

5x, 3x, 2y

5x and 3x

200

2x, 4x², 3x²

4x² and 3x²

300

2ab, 3b, -4ab

2ab and -4ab

400

-7, 2b, 5

5 and -7

500

6x²y, 3xy², -2x²y

6x²y and -2x²y

Adding

100

5a+2a

7a

200

14x+9x

23x

300

3x+5y+8x

11x+5y

400

2x+7+8x+5

10x+12

500

6x²+5x+3x+9x²

15x²+8x

Subtracting

100

10x-3x

7x

200

23a-5a

18a

300

7xy+3x-2xy

5xy+3x

400

10f+8t-4f-6t

6f+2t

500

16xy+17y-12xy-10

4xy+17y-10

Mixed

100

10a+6b-3a+5b

7a+11b

200

10g+3h-2h+8g

18g+h

300

12x+3y+10z-5z+8y-3x

9x+11y+5z

400

abc+abc+abc

3abc

500

15ab-6bc+12ab-3ac

27ab-6bc-3ac

Worded

100

You have 5 carrots and buy 8 more carrots, how many carrots do you have?

13 carrots

200

You have 10 bananas and eat 3 bananas

7 bananas

300

You own 6 pairs of shorts and 8 shirts. You go shopping and buy another 2 pairs of shorts and 3 shirts, how many of each do you have?

8 shorts and 11 shirts.

400

In a packet there are 3 chocolates and 5 lollies. You buy 4 packets. How many of each type of sweet do you have?

12 chocolates and 20 lollies.

500

You have 30 lollies and want to share them evenly between yourself and five of your friends, how many does each person get?

5 lollies (shared between 6 people)