Pre-ALGEBRA and Combining Like Terms

Simplify by combining like terms:

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 10ab + 4

Combine like terms: n -10 + 9n - 3=

• 9n - 7

• 10n - 7

• 9n - 13

• 10n -13

Which equation has 5 terms?

• 6x + 8 = 2x

• 6 + 4.7 - 9y = 3y + 1

• 125x = 14

• 2x + 3 = 7 + x

Which of the following is an example of an equation?

• 8 + 2x - 4

• 7k - 2 

• y + 2 = 10

• y + 2

Which of the following is an example of an expression?

• 9 + w = 19

• 3z = 27

• 8 + d

• 5t + 2 = 20

________________ contains variables, numbers, and at least one operation.

• term

• equation

• constant

• expression

What is the constant in the following expression?
9 + 3w

• 1

• 9

• 3

• w

Which expression has 1 term?

• 12 - 5t +7

• 6 + 3t

• 4rz

• 5 + a

A math sentence with an equal sign.

• Equation

• Expression

• Variable

• Coefficient

A math sentence without an equal sign.

• Equation

• Expression

• Variable

• Coefficient