Teacher Tools

Free interactive math tools you can open and use in class right away.

No signup required Classroom friendly Built for K-3

Number Line Jumps

Model addition and subtraction on a number line with count-by-1, smart chunked jumps, and open exploration.

Addition Subtraction Number Sense

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Make 10 Strategy

Teach bridging through 10 with step-by-step ten-frame visuals that show decomposition and recomposition.

Make 10 Ten Frames Mental Math

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Place Value Exploder

Break numbers into hundreds, tens, and ones using both digit cards and Dienes base-ten block representations.

Place Value Expanded Form Base Ten Blocks

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Teacher tip: Start with concrete visuals, then switch to symbolic form. These tools are designed so students can see the same idea in multiple representations without changing context.

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Math fact fluency for your students, made fun. Free for teachers.

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