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Comprehensive discussion platform develops critical-thinking skills
Grades
5–12
Price
Free, Paid
Platforms
Web
Paid
Extensive game library tests kids' recall of math and science
3–8
Delightful hip-hop-based site connects literacy to every content area
K–12
Free to try
Solid math practice with Common Core-aligned worksheets
4
iPad, iPhone, iPod Touch
Space-themed worksheets great for practicing Common Core math skills
5
Free
Assign, assist, and assess with real-time, interactive classroom
iPad, Chrome, Mac, Web
Videoconferencing juggernaut is reliable, flexible
3–12
Online art museum empowers students to exhibit, explain their work
Pre-K–12
Android, iPad, iPhone, iPod Touch, Web
Robust lesson creation and delivery tool aids assessment
4–12
Web, Chrome
Solid adaptive instruction in reading and math, with data at the ready
K–8
ELA site mixes grammar and writing practice, layers in useful feedback
