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

New to Math Tools? Welcome!

There's a lot of stuff in here. Join our community! View our Orientation to get some ideas of how to make the most of this resource. View and/or download Bethany Hudnutt's handout, Navigating Math Tools


PCMI 2015
Have you considered submitting an application for this summer's PCMI session? Have you thought to suggest the idea to a colleague? Applications are due January 31, 2015. Starting here: provides a link to the IAS/PCMI site, a link to the details for the "Teacher Leadership Program" and also to their new website!

Are you shopping online at Target or Start here and with one small initial step, you can help sustain the Math Forum at no extra cost to you.

In Association with

New iPad App for Problems of the Week! Read about the partnership.

  • Download the CueThink iPad app from iTunes.
  • Create an account and take a tour of the product.
  • Sign in to CueThink Teacher Dashboard.
  • Look for as you assign problems to your students using the CueThink Teacher Dashboard!

What's Hot?

[December 8] Base Ten Models Addition and Subtraction: Yayie asks, "Any ideas on how a third grader can master and meet the standards at her grade level?"

[November 24] 3d graphing programme?: karolina987 states, "To do this, I need a 3d graphing programme that would allow finding the intersections of the planes. Does anybody know of such a programme?"

[November 12] Common Core Curriculum: Mass Vision writes, "Successful implementation of the Common Core State Standards requires parents, educators, policymakers, and other stakeholders to have the facts about what the standards are and what they are not. What are your views on Common Core?"

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Tool: Polyhedron

Tool: CueThink