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 3 - Number

Standard 3.N.9 - Simplify both sides of the equation and find the missing number that makes the equation true.

Included Skills:

Demonstrate an understanding of addition and subtraction of numbers with answers to 1000 (limited to 1-, 2-, and 3-digit numerals) by
using personal strategies for adding and subtracting with and without the support of manipulatives
creating and solving problems in contexts that involve addition and subtraction of numbers concretely, pictorially, and symbolically.

Model the addition of two or more numbers using concrete or visual representations, and record the process symbolically.
Model the subtraction of two numbers using concrete or visual representations, and record the process symbolically.
Create an addition or subtraction story problem for a solution.
Determine the sum of two numbers using a personal strategy (e.g., for 326 + 48, record 300 +  60 + 14).
Determine the difference of two numbers using a personal strategy (e.g., for 127 – 38, record 38 + 2 + 80 + 7 or 127 – 20 – 10 – 8).
Solve a problem involving the sum or difference of two numbers.

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