Remove ads and gain access to the arcade and premium games!

SubscribeUnlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level

The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.

Green box means correct.

Yellow box means incorrect.

Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level

The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.

Green box means correct.

Yellow box means incorrect.

Need some help or instruction on how to do this skill?

Want a paper copy? Print a generated PDF for this skill.

Share MathGames with your students, and track their progress.

See how you scored compared to other students from around the world.

Learn Math Together.

Third - Number, money and measure

Standard 3.NS.1.11 - Solve for the variable by adding and subtracting like terms.

Included Skills:

Expressions and equations

• I can collect like algebraic terms, simplify expressions and evaluate using substitution.

• Having discussed ways to express problems or statements using mathematical language, I can construct, and use appropriate methods to solve, a range of simple equations.

• I can create and evaluate a simple formula representing information contained in a diagram, problem or statement.

• Collects like terms, including squared terms, to simplify an algebraic expression.

• Evaluates expressions involving two variables using both positive and negative numbers.

• Solves linear equations, for example, ax ± b = c where a, b and c are integers.

• Creates a simple linear formula representing information contained in a diagram, problem or statement.

• Evaluates a simple formula, for example, C = 0.05m + 75.

If you notice any problems, please let us know.