Distribute & Combine Like Terms

Distribute

100

2(a - 4)

What is 2a - 8

200

5(3 + d)

What is 15 + 5d

300

7(x - 4)

What is 7x - 28

400

-8(t + 3)

What is -8t - 24

500

9(-x + 3)

What is -9x + 27

Combine

100

3x - 10x

What is -7x

200

-7m + 7m

What is 0

300

6m² -7m + 7m -3m²

What is 3m²

400

12x - 7 + 3x - 3

What is 15x - 10

500

-m + -m + -m - m

What is -4m

Math Mania

100

32 + 12t + 16t + 8

28t + 40

200

The coefficient in the expression: 9+7y

7

300

-4x + 3(2x - 7)

What is 2x - 21

400

The expression, 4a + b - 6 

consists of ____ terms.

3

500

-5(x + 2) - 5 + 3x

What is -2x - 15

What's on First?

100

3x + 2 + 5 

What is combine (add) 2 and 5

200

-3m + 4 - m 

What is combine -3m and -m

300

5h + 2(11 - h) 

What is distribute 2(11 - h) first

400

-3(n - 5) + 14

What is distribute -3 to both terms first?

500

 -5 + 7x + 2x - x

What is combine like terms (7x + 2x - x)

Vocabulary

100

A symbol, usually a letter of the alphabet, used to represent a quantity that can change.

variable

200

A mathematical phrase that contains numbers, operators, and variables.  (but no = sign). Example: 5x + 4y + 5 - 2x

variable expression

300

In an expression, the parts being added together or subtracted. Example: 4x + 3x + 3y + 7y

term

400

Terms that contain the same variable(s) raised to the same exponent. These terms can be combined. Example: 3x + 9x or 7y + 3y

Like Terms

500

A number that is being multiplied by a variable is called a ________.

coefficient