NCTM established the Mathematics Education Trust (MET) in 1976 to channel the generosity of donors by creating grants for preservice teachers, in-service teachers, coaches, teacher-leaders, teacher ...

Exploration Enter 4 onto the red pan. Then, enter 9 onto the blue pan. What happens? Why? Reset the balance. Enter 12 onto the red pan. Then, enter a sum (two numbers added together) onto the right ...

Use tiles to represent variables and constants, learn how to represent and solve algebra problem. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero ...

Change the number of sectors and increase or decrease their size to create any type of spinner. Then, conduct a probability experiment by spinning the spinner many times. How does the experimental ...

Be a Speaker If you have experience and expertise on a particular topic in mathematics, consider becoming a speaker at an upcoming NCTM event. Being a speaker is a great way to increase your exposure ...

Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This ...

Bobbie Bear is planning a vacation and wants to know how many outfits can be made using different colored shirts and pants. Click on a shirt or a pair of pants and drag it over Bobbie Bear. Release ...

The mathematics education community remembers Peggy A. House with gratitude for her lifelong contributions to the field. A 2005 Lifetime Achievement Award recipient of the National Council of Teachers ...

The Mathematics Education Trust (MET) has selected Joan Ferrini-Mundy and Elizabeth (Betty) Difanis Phillips to receive the NCTM Lifetime Achievement Award. The award honors NCTM members who have ...

The Mathematics Education Trust (MET) of the National Council of Teachers of Mathematics is excited to announce the establishment of the new Lee V. Stiff Fund. The fund will be used to award an annual ...

Need a pentagonal pyramid that's six inches tall? Or a number line that goes from ‑18 to 32 by 5's? Or a set of pattern blocks where all shapes have one-inch sides? You can create all those things and ...

The Mathematics Education Trust (MET) has selected Carolyn Maher as the 2022 recipient of the NCTM Lifetime Achievement Award. The award honors NCTM members who have exhibited a lifetime of ...