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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


Ignite Talks
View this series of Ignite talks from the 2014 NCSM Annual Conference in New Orleans last April. See how well the ten speakers do with 20 PowerPoint slides advancing every 15 seconds, whether they're ready or not.For more fast, fired-up fun, watch our other Ignite talks from earlier conferences.

Park City Mathematics Institute (PCMI)
The 2014 Summer Session of the IAS/Park City Mathematics Institute (PCMI) concluded July 18 in Utah. For PCMI reflections on practice, problem sets, activities, handouts, and many other classroom resources, visit the Class Notes page. Ilana Horn blogged about her "Reflecting on Practice" session held virtually. The professor at Vanderbilt University's Peabody College brainstormed with PCMI participants about how hard it was for most students to answer the question What do you think and why?

EnCoMPASS Summer Institute
Visit our website for details about our second EnCoMPASS Summer Institute. The EnCoMPASS Project is developing an online professional teaching community of mathematics educators focused on understanding and improving mathematical thinking through work with formative assessment rubrics and feedback to student problem solving.

Ask Dr. Math on Twitter
Follow @AskDrMath! "We are mathematicians, teachers, engineers, artists, parents, and more! We want to help you understand your math questions, big and small."

Powerful Problem Solving
Visit our Companion Web site and, in particular, our Classroom Videos page.

What's Hot?

[July 24] Cramer's App and Tutorials: MathAdjunct writes, "There's a really helpful iOS app called Cramers Rule that solves systems of equations in 2 or 3 variables."

[July 15] Educational Math Games: snezana90 says, "After Zeus vs. Monsters, we have published another math game with an interesting theme. This time, we present Math vs Dinosaurs."

[June 30] Best & New way to teach Long Division: henrywilliamsonn announces, "The Long Division Made Easy is an app made for the children who are learning division."

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Watch the EnCoMPASS Summer Institute pages for new developments in our work this August.

Tool: Traffic Jam Applet by Mike Morton

Follow @AskDrMath on Twitter!