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.

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.

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Math Games for Teachers

Grade 4 - Number and Operations in Base Ten

Standard 4.NBT.B.4 - Solve addition word problems with numbers up to 5000000.

Included Skills:

Fluently add and subtract multi-digit whole numbers using the standard algorithm.

If you notice any problems, please let us know.