Log in and then download this digital certificate of participation and self-document your participating hours. Your school or district determines the acceptance of ...

Begin the investigation by encouraging students to give an example of something that they do once a day such as eat breakfast, listen to school announcements, or play with a friend. Ask them to name ...

Explore new strategies for effective math instruction in your high school classroom! Practical and versatile, Lessons and Investigations to Build Confidence: Elevating High School Mathematics is ...

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 ...

This applet allows the user to investigate the mean, median, and box-and-whisker plot for a set of data that they create. The data set may contain up to 15 integers, each with a value from 0 to 100.

The Common Core State Standards (CCSS) are a set of academic standards in mathematics and English language arts/literacy (ELA) developed under the direction of the Council of Chief State School ...

A tessellation is a repeating pattern of polygons that covers a plane with no gaps or overlaps. What kind of tessellations can you make out of regular polygons? What shapes tessellate? If shapes can ...

Use this tool to strengthen understanding and computation of numerical expressions and equality. In understanding equality, one of the first things students must realize is that equality is a ...

Students analyze the structure of algebraic expressions and a graph to determine what information each expression readily contributes about the flight of a horseshoe. This task is particularly ...

This updated joint position of the Association of Mathematics Teacher Educators (AMTE), the Association of State Supervisors of Mathematics (ASSM), NCSM: Leadership in Mathematics Education (NCSM) and ...

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 ...

Encourage students to use visualization, spatial reasoning, and geometric modeling to build their own patterns or recreate one from given square arrays. Create pattern units of two to five squares and ...