Solving Addition Equations with Two or More Variables


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question 1 of 3

If your problem has three variables, how many equations will your problem have?

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1. Which of the following is a complete problem?



x + 3z = 10

2x + z = 5

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About This Quiz & Worksheet

Looking at the next step from equations with only one variable, this quiz and corresponding worksheet will help you gauge your knowledge of addition equations with two or more variables. Topics you'll need to know to pass the quiz include understanding how many equations the problem will have if there are three variables present as well as knowing which equation is a complete problem.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

  • Number of equations with three variables
  • Which equation is a complete problem
  • Solving an addition equation with two variables
  • How many equations involve four variables
  • Next step in a given problem

Skills Practiced

This worksheet and quiz will let you practice the following skills:

  • Interpreting information - verify you can read information regarding how many equations involve four variables and interpret it correctly
  • Knowledge application - use your knowledge to answer questions about the number of equations with three variables
  • Problem solving - use acquired knowledge to solve addition equations with two variables

Additional Learning

To see why there's no need to panic with the introduction of another variable, review the corresponding lesson on Addition Equations with Two or More Variables. This lesson will help you:

  • Define what addition equations with two or more variables are
  • Identify how many equations will be needed for each variable
  • Understand how to solve each equation
  • Describe how to create new equations from the variables
  • Appreciate the main goal in creating the equations