• Classroom Resource Monthly Featured Resources Archive


    NCTM is excited to offer a featured resource in your grade band each month to help you make the most of your NCTM membership. 


    CRCC Archived Featured Resources:

    March 2020

    Elementary (K-5)

    Counting on and Counting Back
    Help your students visualize the idea of "one more" and "one less" with this interactive lesson. All you need is a counting book and some counting cubes to get started!

    March Madness
    Students evaluate clues to arrive at correct outcome of game: scores of two teams.

    Middle School (6-8) 

    The Factor Game

    Students will love The Factor Game! It engages students in a friendly contest in which winning strategies involve distinguishing between numbers with many factors and numbers with few factors. Students are then guided through an analysis of game strategies and introduced to the definitions of prime and composite numbers.

    High School (9-12) 

    The 100 Block Walk for Math
    To celebrate the 100th Mathematical Lens column, Ron Lancaster and Bridget Bentele walked 100 blocks through Manhattan, photographing and documenting the mathematics they encountered along the way.

    February 2020

    Elementary (K-5)

    A Picture is Worth 100 Math Ideas
    Get ready to celebrate 100 with this technology infused mathematics activity. Students take the lead and photograph objects of varying amounts, increasing their understanding of place value and precision of language along the way.

    Building Bouquets
    This task asks students to apply the knowledge of divisors, dividends and remainders to solve a real world task. Students must form questions that will allow them to solve through productive struggle.

    Middle School (6-8) 

    If You Like Popcorn, Which One Would You Buy?
    This is a great math game for probability! Students love playing this game. You can have great discussions with students about whether or not they want to keep playing or bow out.

    High School (9-12) 

    All Around the World
    This 100-themed Problem of the Week leads to a result that may surprise you and your students.

    January 2020

    Elementary (K-5)

    Counting Back and Counting On
    The Concrete, Representational, and abstract intersect in this hands-on lesson while also integrating literature and musical connections.

    Every Breath You Take
    Students estimate the number of breaths they take, then perform an experiment to find the actual amounts.

    Middle School (6-8)

    The Game of SKUNK
    This is a great math game for probability! Students love playing this game. You can have great discussions with students about whether or not they want to keep playing or bow out.

    High School (9-12)

    Axonometry: Applying Complex Numbers to Art
    Axonometry is an Illumination that has students discover relationships between complex numbers and graphing. Students make connections between algebraic and graphical representations of a complex number.