When your children's homework has even you stumped, try these smart sites for answers.

By Real Simple
Updated June 22, 2018
Chalkboard and school books
Credit: Lucas Allen

The Math Forum at Drexel, mathforum.org/dr.math

A project of Drexel University, this site answers your frequently asked number conundrums and includes an archive organized by grade level and math topic.

BJ Pinchbeck’s Homework Helper, bjpinchbeck.com

Features a roundup of the best online sources for nearly every school subject, including art, music, foreign languages, math, and current events.

National Geographic Kids, kids.nationalgeographic.com

Includes extensive coverage of science, geography, history, and more, with articles, maps, photos, and videos.

Cosmeo by Discovery Channel, cosmeo.com

Subscribe to this homework tool kit ($9.95 a month) for thousands of educational videos, math tutorials, and online biographies and reference materials. The cool multimedia elements (like interactive games) will help your kids learn while having fun.

Fact Monster Homework Center, factmonster.com/homework

Kids can find literally anything they want to know on this fact-packed site, with entries on everything from Greek and Roman mythology to multiplication tables to world capitals.

Scholastic Homework Hub, scholastic.com/parents

Offers tips and techniques for studying, practice quizzes, and research references that will jump-start reports.