factmonster.com的 10 大竞争对手

infoplease.com

Infoplease is a free, authoritative, and respected reference for Internet users that provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus.

mathsisfun.com

Play Number Blocks Puzzles. Move the blocks to match the shape. You have to get them exactly right.

ducksters.com

a fun activities and games site covering subjects such as sports, animals, history, science, geography, jokes, math, and biographies. pages are written to be easy to read and understand.

brainpop.com

Join our online and in-person events for educators and administrators to expand strategies, connect with educational leaders, and network with BrainPOP experts!

xtramath.org

xtramath is a free program that helps students master addition, subtraction, multiplication, and division facts.

mathfactlab.com

Teacher-created MathFactLab’s strategy-based online practice develops both math fact fluency and number sense.

duolingo.com

Learn languages by playing a game. It's 100% free, fun, and scientifically proven to work.

allinonehomeschool.com

We have compiled all of the worksheets used in this course. You can print them yourself or purchase them bound in book form. These are NOT a full offline course, just the worksheets used in this on…

vizzed.com

Donate to Vizzed and earn Viz + CP. The site's expenses and server fees are high so please consider helping out by financially supporting the site in any way that you can. Donating with PayPal and Stripe is safe and secure.

toytheater.com

Privacy Policy Effective Date: November 5, 2020 This Privacy Policy describes how Toy Theater, a sole proprietorship (referred to in this Privacy Policy as “Toy Theater”, “we” or “us”), collects and uses information from people who use our websites located at toytheater.com, member.toytheater.com, classplayground.com, (referred to collectively as the “Services“). Children Some of our Services […]