Corona Academy

 VocabularySpellingCity is offering free access for the next 3 months to help students and teachers, with the code VSCFree90. Click Register, and "Go Premium", add all of your information and the promo code. You do not need to enter your credit card information. 

Scholastic Learn At Home allows open access to daily learning journeys divided into four grade spans—Pre-K–K, Grades 1–2, Grades 3–5, and Grades 6–9+, covering ELA, STEM, Science, Social Studies, and Social-Emotional Learning.

Zearn has made its K-5 math curriculum available for free to teachers. The content includes 400 hours of digital lessons. All you have to do is sign up as a homeschool teacher, and create a class with only your kids. 

Legends of Learning has over 2,000 math and science games for grades 1-9. Follow the link and set up a student account for your child. You can also set up a parent account and track their progress.