Interactivate - interactive mathematical explorations for students in grades 3-5

Visual Math Learning - understanding math through lessons, practice, puzzles & games

National Library of Virtual Manipulatives - check out many math tools for students!

BSD Family Math Resources - math activities to support learning, by grade level

Figure this! - problem solving for students & teachers

Ask Dr. Math - have math questions? Dr. Math has answers.

Math Glossary (Harcourt Brace) - math activities, definitions, animated demos, by grade level.

Pattern Blocks - make patterns with pattern blocks online

Patterns you can Hear - Some patterns you can see. On this site, you can see and hear the patterns you create.

Number & Operations Activitiesfrom National Library of Virtual Manipulatives - Virtual manipulatives related to the NCTM Number & Operations standard. Organized by grade band.

Making Arrays - Use arrays to understand multiplication

Multiplication Grand Prix - practice basic multiplication facts alone or with friends. Racing format, so speed & accuracy matter here!

The Product Game - fun, interactive game for 2 players that exercises your skills with factors and multiples.

The Factor Game - test your factoring ability against a partner or the computer.

Math Magician - practice basic facts at this site

Counting Shirts & Shorts - see how many outfits you can make for Bobby Bear using different colored shirts and pants. NCTM Illuminations

Magnetic Numbers -Imagine you have a bunch of numbers and math symbols, and you have to arrange them so that they make math sentences. Now imagine doing this online. At this website, you can choose from addition, subtraction, multiplication, even challenge math sentences to unscramble. Good luck!

Count Us In Games - games to help learners understand basic number concepts.

Bear Addition - help bear make 10's by plucking cubes from the river. See how many 10's you can make!

MathBrain - choose your skill level to challenge yourself at this fun site.

Fractions, Decimals & Percentage - lots of different ways to practice with these numbers

Playing the Fraction Track - game for 2 players. Find equivalent fractions, compare fractional parts of a whole in this fun, challenging game.

AllMath.com - basic online flashcards.

Money Desk - Select a skill level to challenge yourself, then practice counting money.

Change Maker - Practice your subtraction skills while you calculate the change you will receive when you make a purchase.

Lemonade Stand - Can you make a profit selling lemonade? Change variables to sell the most lemonade at this site.

Geometry Activities from the National Library of Virtual Manipulatives

Tetris - fill the vault with shapes.

Geometric Solids & Their Properties - view geometric solids and see what you can discover. From NCTM.

Making Triangles - use an electronic geoboard to create different kinds of triangles.

Shape Sorter - sort shapes according to their properties using Venn Diagrams.

Develop Geometry Understandings with Tangrams - tangram puzzles and challenges with concept and instructional information for teachers as well. From the NCTM website.

Learning Geometry and Measurement Concepts by Creating Paths & Navigating Mazes - students combine knowledge of geometry, measurement and number to solve challenging problems with their virtual ladybug.

Get the Turtle to the Pond - estimate length and angle measure to create a path for your virtual turtle.

Isometric Drawing Tool - draw figures using edges, faces or cubes, then view in 2D or 3D!

Create a Graph - this site guides you through creation of 5 different kinds of graphs.

BillyBug - practice locating coordinates on a grid

BillyBug2 - practice locating coordinates, both negative & positive numbers!

Probability WebByte - this quick lesson on probability will take you to a website that will test your skill!