Fine-tune your results.
Price
Free
Platforms
Android, iPad, iPhone, iPod Touch
Free, Paid
Videoconferencing juggernaut is reliable, flexible
Grades
3–12
Web
Top-notch lessons teach historical content, boost analytical skills
6–12
Classic logic puzzler gets a beautiful new look
3–8
Paid
Android, iPad, Kindle Fire, Windows, Mac, Web
Real research powered by volunteers makes classroom content relevant
2–12
Test and review math and language skills in a fun virtual zoo
1–6
Set off into space for story-based math skills practice
Pre-K–3
Free to try
Fewer clicks and less clutter equal a new go-to site for citing sources
5–12
Teach a vast number of CS concepts with quality, depth, and choice
Free to try, Paid
Record and organize scientific observations on the go
iPad, iPhone, iPod Touch
Control, create, and explore stunning 3-D human body visuals
Free, Free to try, Paid
