The Hand-On Math section features movies on counting numbers and integers, algebra, fractions, geometry, measurement, and statistics. Teachers can download classroom activities based on the video content. All videos and classroom activities are available free of charge.

Hanlon Math

Mini-lessons in basic math, Algebra and Geometry

InterMath

Mathematical investigations that are supported by technology

Making Mathematics

Mentored research projects for young mathematicians

Math.com

The world of math online

Math Challenge

Dedicated to the puzzling world of mathematics through puzzles and challenges

Math Dictionary

A math dictionary for kids

Math Mastery

Online courses to increase understanding of math concepts

Math Reference Tables

Reference tables for general, Algebra, Geometry, Trig, Calculus and more

Math Sites

List of math sites created and maintained by Gail Shea Grainger

Math Stories

Help boost math problem solving skills and critical thinking skills by using interactive and non-interactive NCTM compliant word problems.

Mathematics Problems from around the World

List of various websites

Mathematics TEKS Toolkit

Web site designed to support educators in implementing the TEKS

Models of Polyhedra

Paper models of polyhedra

National Library for Virtual Manipulatives

Virtual Manipulatives from the basics to data analysis and probability

Shodor Educational Foundation

The creation, collection, evaluation and dissemination of interactive Java-based courseware for exploration in science and mathematics.

Teach Engineering

500+ math/science lessons

TI Interactive

Brings the power of TI graphing calculators to your computer

The Math Learning Center

Innovative and standards-based professional development, curriculum, programs, supplemental materials, and resources to support learning and teaching

TRACK: High School TEKS Prep

In TRACK you'll find diagnostics to measure understanding of the objectives tested on the 11th grade exit-level test, and a library of learning tutorials to help you better understand those objectives.

Understanding Averages

Offers factsheets, acitivities, worksheets and quizzes

University of Missouri

A collection of interactive math manipulative sites

University of Sioux Falls

Interactive math sites from South Dakotas

Visual Fractions

A tutorial that models fractions with number lines or circles.

We All Use Math Every Day

Educational resources based on the hit series "NUMB3RS."