Solving Equations Using the Addition Principle


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question 1 of 3


x - 3 = 0

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x + 7 = 20



x - 15 = 20

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About This Quiz & Worksheet

The addition principle is one of the first things you learn when you begin working on math problems with variables. This quiz will have you apply your knowledge of this principle to help solve several equations.

Quiz & Worksheet Goals

The quiz questions will cover the following:

  • Solving equations that involve subtraction
  • Solving equations that involve addition
  • Solving equations that equal zero

Skills Practiced

  • Reading comprehension - ensure that you draw from the most important information found in the lesson on solving equations with the addition principle
  • Problem solving - use this information to calculate a series of equations that require the addition principle
  • Knowledge application - use the knowledge you've gained to successfully answer a series of math problems

Additional Learning

When you read or view the lesson called Solving Equations Using the Addition Principle, you'll work towards the following objectives:

  • Explain what makes the addition principle useful
  • Work through a sample subtraction problem
  • Follow along with a sample addition problem