Board of Directors Election. NCTM members will be electing a President-Elect and four new Board members to the Board of Directors this spring. The Board of Directors sets the ...

A comprehensive and coherent set of mathematics standards for each and every student from prekindergarten through grade 12, Principles and Standards is the first set of rigorous, college and career ...

This extensive library hosts sets of math problems suitable for students PreK-12. The resources span multiple topics and members have access to the over 1,000 problems and supporting materials! Share ...

Help your students explore the world with Notice, the snail, and Wonder, the owl. These two friends discovering that math is all around them. Notice and Wonder provide fun and engaging mathematics ...

This activity allows the user to enter a set of data, plot the data on a coordinate grid, and determine the equation for a line of best fit.

recognize the attributes of length, volume, weight, area, and time; compare and order objects according to these attributes; understand how to measure using nonstandard and standard units; select an ...

Procedural fluency is an essential component of equitable teaching and is necessary to developing mathematical proficiency and mathematical agency. Each and every student must have access to teaching ...

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 ...

These grade-band specific professional learning modules are focused on the Effective Teaching Practices and Guiding Principles from Principles to Actions: Ensuring Mathematical Success for All.

This tool allows you to practice multiplying single-digit numbers. Click on any of the blue squares to show a product. Double-click on any displayed product to hide it behind a blue square again.

Looking separately at the roles of the teacher, the students, and the students' peers, we find that research suggests that effective assessment can be based on the following five "key strategies": ...