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Classroom Resources Collaboration Center

  • We’ve paused our regularly scheduled spotlighting of one resource per grade band, to spotlight the resource libraries on the brand-new  MyNCTM community. As you explore MyNCTM, be sure to check out the  Elementary,  Middle, and  High School resource libraries. There you will find some of NCTM’s best resources, organized by grade level and by key concept within each grade level. You’ll find resources from Illuminations, journal articles that blend research with classroom activities and lessons, games from Calculation Nation, and more! If you find a resource you might use in your classroom, click to “Favorite” it and you’ll always be able to find it on your profile page (under My Contributions). We’ll also use those Favorites to help us feature and share the most popular resources. And if you have another favorite resource, whether it’s from NCTM, something you created, or a link to share from another source, you can add it to the library as well, and it might just show up in our Featured Resources one day!

    Would you like to see one of your favorite NCTM resources here? Share it with us! You'll be helping make our monthly featured resources better, and helping us test out the resource submission process.

    Check out the #NCTMresources hashtag on Twitter to follow along as we share and discuss these and other NCTM classroom resources.

    View Past Featured Resources


    Elementary (K-5)

    For each grade level, Kindergarten through 5th grade, you will find resources focused on the major work of each grade level. As an NCTM member, you can also share your favorite resources by uploading something you created or sharing a link to a favorite online resource. Help us add to our collection!

    Go To Library

    Middle School (6-8)

    For each grade level, 6th through 8th grade, you will find resources focused on the major work of each grade level. As an NCTM member, you can also share your favorite resources by uploading something you created or sharing a link to a favorite online resource. Help us add to our collection!

    Go To Library

    High School (9-12)

    The high school library is divided into content areas: Algebra and Functions, Probability and Statistics, Geometry, and Number and Operations. As an NCTM member, you can also share your favorite resources by uploading something you created or sharing a link to a favorite online resource. Help us add to our collection!

    Go To Library

    Be sure to also check out these additional resources and tools for your classroom.


    Math Forum - Problems of the Week

    Get your weekly dose of math problems and puzzles from the Math Forum. You will also find more math resources and tools, as well as a Math Forum: Problems of the Week Blog, furthering discussion.

    Problems of the Week Samples

    Activities with Rigor and Coherence

    Elementary School: Growing Patterns

    Middle School: Discovering Area Relationships

    High School: Barbie Bungees Again

    See More Activities

    Brain Teasers

    Want quick ideas for great back-to-school icebreaker classroom activities? We've got you covered. Challenge your new students and mathematics enthusiasts alike with these staff-picked puzzles. In need of more? Browse the entire Illuminations library and discover what's in store in this amazing resource.

    Sliding Triangle

    Golden Ratio

    Heart Shaped Words

    Browse Illuminations