AAA Math
Grade Level: Elementary, Middle
AAA Math features a comprehensive set of interactive arithmetic lessons. Practice is available on each topic, which allows thorough mastery of the concepts. Search lessons by subject.

Arizona Mathematical Software
Grade level: Middle, High, Undergraduate
This site provides free commercial-quality math software to use with students studying algebra, calculus, and differential equations.

CPMP-Tools
Grade Level: High, Undergraduate
CPMP-Tools is an innovative suite of both general purpose and custom software tools designed to support high school student investigation and problem solving in algebra, geometry, statistics, and discrete mathematics. Recommended by AJ

GeoGebra
Grade Level: All
GeoGebra, a free and multiplatform, dynamic mathematics software for all levels of education, joins geometry, algebra, tables, graphing, statistics and calculus in one easy-to-use package. Recommended by AJ

goEnc
Grade Level: All
Mathematics and science educators will find resources and support to help raise student achievement. Search by grade level or resource type.

Illuminations
Grade Level: All
Find mathematics lessons, interactive tools, standards, and recommended Web sites for teaching and learning mathematics. Apply for the Illuminations Summer Institute, or download flyers and sign up for their monthly newsletter. Take advantage of the dynamic print tool.

Internet Math Contests
Audience: All
This site promotes mathematical problem solving and communication for students and teachers by providing an Internet contest environment for participants from 236 countries across the globe.
Recommended by KDP member David Rock, Colorado State University, Fort Collins, CO.

Math and Reading Help
Grade Level: Elementary, Middle, High
Find answers to your education questions. All answers have been custom written by a staff of teachers and education professionals. Locate original content articles about educational practices and studying techniques for reading and mathematics.

Math Cats
Grade Level: Elementary, Middle
Math Cats is created for children to promote open-ended and playful explorations of mathematics concepts through online and offline activities.

Math Counts
Grade Level: Middle
Math Counts is a national mathematics enrichment, coaching, and competition program for middle school students. Find the problem of the week, a mathematics arcade, and a student forum.

Math Forum at Drexel University
Grade Level: All
The Math Forum at Drexel University is an online resource, providing problems and puzzles, online mentoring, research, team problem-solving and professional development, from teachers, mathematicians, researchers, students, and parents.

Multiplication
Grade level: Elementary
An online resource for students to practice mathematics multiplication facts through activities and games. Additional resources are provided for teachers, parents, and students.
Recommended by KDP member Elizabeth Kim Strauss.

S.O.S. Mathematics
Grade Level: Middle, High, Undergraduate
S.O.S. is an online resource providing short explanations on mathematics topics ranging from algebra to differential equations. High school, college students, and adult learners can get help with homework, refresh their mathematical memory and prepare for tests.

TODOS: Mathematics for All
Grade Level: All
A resource for teachers that advocates for an equitable and high-quality mathematics education for all students including Hispanic/Latino students by increasing the equity awareness of educators and their ability to foster students' proficiency in rigorous and coherent mathematics. Recommended by KDP Web Committee member.

Wolfram Alpha
Grade Level: All
Wolfram Alpha is a computational knowledge engine that provides calculations from its own internal knowledge base, rather than searching the Web and returning links. In mathematics it shows steps along a computation process, provides sources for information, and provides details using multiple representations. Wolfram Alpha also available as an application. Recommended by KDP Web Committee member.