A Math Dictionary for Kids
The original A Maths Dictionary for Kids is an animated, interactive online math dictionary for students that explains over 630 common mathematical terms and math words in simple language with definitions, examples, activities, practice, and calculators. A Math’s Dictionary for Kids Quick Reference is a device friendly HTML version with definitions and detailed examples for over 950 math words and terms.

AAA Math
AAA Math features a comprehensive set of thousands of interactive arithmetic lessons.

Brainpop - Engaging learning games, animated movies, and activities designed with relevance, depth, and humor to encourage kids on their unique learning paths.

Cookie Learning Games for Kids
At cookie, child experts and educators design interactive online games for kids. Our learning games for kids help in building skills needed for success in school. While playing our fun educational games, kids learn to read with phonics, build skills in math, language, social studies, science, and much more. Our educational videos encourage children to keep learning, even after school hours.

Crickweb
Science games for kids, interactive science resources, and activities for your IWB, PC, or Mac. Learning science facts about light, variation, magnets, springs, earth, sun, and moon, changing states, materials, life cycles, habitats, minibeasts, and our body with these great educational kids games.

Enchanted Learning
Enchanted Learning produces children’s educational web sites which are designed to capture the imagination while maximizing creativity, learning, and enjoyment. Ease of use is a hallmark of our material. Children need the clearest, simplest computer interface, and our material is created so that the navigation and controls are intuitive. Our mission is to produce the best educational material, emphasizing creativity and the pure enjoyment of learning.

Fact Monster
Fact Monster is a website geared towards children. It is owned by Infoplease and, like the Infoplease site, it contains several reference works under one umbrella, including the Columbia Encyclopedia, Random House Dictionary, an atlas and an almanac. It also features quizzes, flashcards, a homework center and Flash-based games. In 2001 it won a Webby Award for best youth site.

FunBrain
Created for kids in grades Pre-K through 8, Funbrain has been the leader in free educational games for kids since 1997. Funbrain offers hundreds of games, books, comics, and videos that develop skills in math, reading, problem-solving, and literacy. Educators and parents can trust our site to provide a fun and safe experience both at home and at school

Kahoot
Kahoot is calling all students, teachers, office heroes, trivia fans and lifelong learners! Whether you feel creative, want to learn something new or are up for some fun and competition – get Kahoot!’ing anywhere, anytime!

KiDiddles
The words to 2,000 of the most popular children’s songs. Songs are organized both alphabetically and by subject – all free for your viewing and listening pleasure! If you can’t find what you’re looking for, try our song search tool! Or take a guided tour of Mojo’s Musical Museum.

Razkids
With Raz-Kids students can practice reading anytime. Teachers can make assignments and track students progress with online assessments and students recordings. Students can listen to books for modeled fluency, read books for practice, and then record themselves reading so teachers can monitor progress.

RoomRecess is dedicated to providing children with free learning games that are fun. Our online games reinforce important skills that are vital to elementary students and their educational process. RoomRecess.com was developed entirely by an elementary school teacher with the goal of reinforcing fundamental learning concepts in math, reading, spelling, language arts, typing, and problem-solving.

Social Studies For Kids
The history of civilization is a long one. This site takes you way back into history to see human civilization as it first looked.

Spelling City
SpellingCity offers personalized practice & multiple word exposures. Immediate feedback, self-testing. Access to word lists for every subject & grade level Correlation to educational standards.

Starfall
Starfall has been teaching children to read with phonics for well over a decade. Our systematic approach, in conjunction with audiovisual interactivity, is perfect for preschool, kindergarten, first grade, second grade, special education, home school, and English language development (ELD, ELL, ESL). Starfall is an educational alternative to other entertainment choices for children.

Kids National Geograpic
National Geographic Explorer For Kids is an online version of the award winning magazine. 

Mr. Nussbaum Learning + FunMrNussbaum.com offers dozens of interactive games specifically designed to pinpoint one or several essential concepts taught in elementary years, and dozens of research themes designed to make the process of gathering information interactive and enjoyable. 

Read TodayReady Today! It is an integrated learning system that includes targeted coloring books and free interactive lessons.

Into The BookInto the Book is a reading comprehension resource for elementary students and teachers. We focus on eight research-based strategies: Using Prior Knowledge, Making Connections, Questioning, Visualizing, Inferring, Summarizing, Evaluating, and Synthesizing. Try the online interactive activities, or click below to find out how to get our engaging 15-minute video programs.

Geography 4 KidsIf you’re saying, “Where do I start with so much information about the Earth?” Don’t worry. There’s one common thing that is found throughout the universe… ENERGY. We suggest starting your explorations there. We’ll introduce many concepts about the flow of energy on Earth and then lead you into other ideas on the site.

Climate Kids
Climate change describes a change in the average conditions — such as temperature and rainfall — in a region over a long period of time. ... These include warming temperatures and changes in precipitation, as well as the effects of Earth's warming, such as rising sea levels.

Animal Fact GuideDid you know that elephants hold grudges or that cougars can't roar? Learn interesting animal facts and download free coloring pages at Animal Fact Guide.