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.

Grade 4 - The Number System

Standard 4.NS.1.3 - Choose numbers that add to a particular sum.

Included Skills:

Students will be expected to demonstrate an understanding of addition and subtraction of numbers with answers to 10 000 (limited to three- and four-digit numerals) by

• using personal strategies for adding and subtracting

• estimating sums and differences

• solving problems involving addition and subtraction

• Performance Indicators

- N03.01 Represent concretely, pictorially, and symbolically the addition and subtraction of whole numbers, limited to three and four-digit numerals.

- N03.02 Determine the sum of two given numbers, limited to three and four-digit numerals, using a personal strategy, and record the process symbolically.

- N03.03 Determine the difference of two given numbers, limited to three- and four-digit numerals, using a personal strategy, and record the process symbolically.

- N03.04 Describe a situation in which an estimate rather than an exact answer is sufficient.

- N03.05 Estimate sums and differences using different strategies.

- N03.06 Create and solve problems that involve addition and subtraction of two or more numbers, limited to three- and four-digit numerals.

- N03.07 Explain mental mathematics strategies that could be used to determine a sum or difference.

- N03.08 Determine a sum or difference of one, two, and three-digit numerals efficiently, using mental mathematics strategies.

If you notice any problems, please let us know.