Math
- National Library of Virtual Manipulatives: Fun, virtual math tools in English, Spanish, French, and Chinese
- Math is Fun: Illustrated math definitions
- Mathwire.com: Math activities focused on numbers and operations, algebra, geometry, measurement, and data analysis
Reading
- Inside Language, Literacy, and Content: Online resources for educators and students
- International Children's Digital Library: Digital books in English and other languages
- Learner's Dictionary: Student-friendly definitions
- Live Binders: Differentiating instruction for English learners
- Wonderopolis: Sponsored by the National Center for Family Literacy; features informational articles on a variety of high-interest topics