Collecting Like Terms

Vocabulary

100

What is the name for a Maths sentence without an equals sign?

Expression

200

What is the name for each part in a Maths expression?

Term

300

What is the name of the letter in front of a number?

Coefficient

400

What is the name for a letter in algebra?

pronumeral or variable

500

What is a number without a letter next to it called?

Constant

Are these Like Terms?

100

2x and 5x

Yes

200

6a and a

Yes

300

xy and x

No

400

4x and x⁴

No

500

6ab and -2ab

Yes

Combining (Addition)

100

3x+4x

7x

200

5a+7a+2a

14a

300

6x+2x+5y+y

8x+6y

400

8y+2x+5y+8x+9

10x + 13y + 9

500

5x²+3x+8x+7x²

12x²+11x

Combining (Subtraction)

100

10a-3a

7a

200

12a-5a-2a

5a

300

10y-3y+6x-4x

7y+2x

400

12x+5a-7x-a

5x+4a

500

10x+2y-7x-8y

3x-5y

Challenge

100

3x²+5x²+2x+x

8x²+3x

200

6xy+8yx+8x-6y

14xy+8x-6y

300

10-4x-5x-3x+8

18-12x

400

6x²y+3xy²+8xy²-5x²y

x²y+11xy²

500

4a+2ab+2ab+b+b+4b+a²

a²+4a+6b+4ab