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