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A community library of technology tools, lessons, activities, and support materials for teaching and learning mathematics.

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Teacher2Teacher (T2T®)
Do you have a question about teaching mathematics? Ask a Question to receive a response from one of our T2T Associates. Visit the Teachers’ Lounge where you can participate in current math education discussions.

New Featured Resources at NCTM
Check the featured resources in your grade band NCTM is excited to offer featured resources in your grade band each month. This is the first step in what we hope will be a community effort to build a Classroom Resource Collaboration Center. And now there is also a link to the Archive.

Fall 2016 Ignite Talks
Get fired up about math teaching and learning with our Ignite! videos. View the full and also individual videos from these recent conferences: Philadelphia NCTM Regional, CMC-South, and CMC-North.

What's Hot?

[January 14] Math Program: Mesh writes, "I'm currently looking for a Accelerated Math Program that i can present to my teachers as thesis."

[December 29] RE: Educational Math Games: Maurici adds to the conversation by saying, "I found the video of Zeus vs. Monsters in YouTube..."

[December 23] How to edit an XML feed on a website page?: Erin Cory asks for help, "My friend want to edit an XML on her website."

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Tool: Factoring Trinomials
by Jeff LeMieux

Ignite! We'll Enlighten You and We'll Make It Quick

Tool: Visual Fraction Calculator
by DadsWorksheets