Websites with Assorted Games in All Subjects
ABCya!

Tons of options to practice skills, though pesky ads can annoy without a subscription
Bottom Line: Practice core subject skills with fun games at school or at home.
Mr. Nussbaum! Learning + Fun

Solid collection of learning activities on a wide variety of topics
Bottom Line: Games and activities are fine for reinforcement and practice but don't offer built-in feedback or progress tracking.
PBS Kids

One-stop shop for a wealth of fantastic PBS Kids educational content
Bottom Line: Robust collection of learning resources covers an impressive array of topics.
BrainPOP Jr.

Original videos and activities a treasure trove for teachers and students
Bottom Line: A unique, video-driven learning platform with tons of topics and resources.
Toy Theater

Math, ELA games galore overwhelms; best with clear teacher direction
Bottom Line: There are some gems here for making learning fun, but teachers need to guide students towards specific games.
Arcademics

Free games provide math and language skill practice
Bottom Line: Since the games rely a lot on drills they're more about quizzing than learning, but they could fill some gaps.
Websites with Assorted Math Games
MathGames

Fast-paced games reinforce math facts
Bottom Line: A solid resource for practicing math skills, but might be frustrating for struggling students.
Math Cats

Whimsical site sneaks math into practical activities
Bottom Line: Kids can learn to appreciate all the ways math connects to real life, and that math can be fun and entertaining.
Math Playground

Math games and activities hiding behind pop-ups and ads
Bottom Line: Teachers who invest time identifying the best of the site may find some useful games and resources.
Coolmath

Dated site with ads, simple games, limited resources
Bottom Line: Coolmath has some decent references and short explanations but is dated and uninspiring.
Websites with Assorted Literacy Games
ABCmouse for Teachers

Cartoon classroom has wide variety of point-and-click learning
Bottom Line: Though it's not for deeper thinking, this free platform has a ton to offer.
Math and Reading Programs with Games
Brainzy Math and Reading Program

Handy, engaging early reading and math topics in fun, inviting package
Bottom Line: Super-fun practice with common early learning topics; the premium version is much more comprehensive than what's available for free.
Lexia Core5 Reading

Blended reading program offers individualized growth
Bottom Line: This is a research-backed blended reading platform that builds literacy skills and helps teachers plan and deliver targeted instruction in the classroom.
Mathseeds

Entertaining activities help keep early math exciting
Bottom Line: Fun collection of lessons and games drives home math concepts.
SplashLearn

A colorful, fun way for students to build math skills mastery
Bottom Line: These engaging math games for younger kids are great for math skills practice, but you'll need a paid account to access a substantial amount of the content.
Teachley EDU

Fun math gameplay with solid skill-building and helpful teacher tools
Bottom Line: Teachley lets teachers monitor progress and easily meet students' needs, though it's probably most appealing to kids in lower elementary.
DreamBox Learning Math

Individualized, game-based math adapts to kids' needs
Bottom Line: Great all-in-one program for math support and practice, with somewhat accurate adaptive tech.