"Iknowit is a comprehensive, interactive math practice site for students in kindergarten to fifth grade. This online resource can be used during class or at home for independent practice, remediation, assessment, or homework. The site enables teachers and parents to differentiate assignments for students allowing them to work at their own level and pace towards mastery of concepts and skills aligned with common core."

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"At Sumdog, we want to help every child enjoy mathematics and spelling. Our online learning service is used by millions of children worldwide. It adapts to each individual, using engaging game-based learning to motivate and build confidence."

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"We create free and low-cost experiences whereby children can successfully learn through exploration. On the Starfall website and in Starfall classrooms, children have fun while learning in an environment of collaboration, wonderment, and play. We teach through positive reinforcement to ensure children become confident, intrinsically motivated, and successful."

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"With IXL, your children will learn at their own pace—IXL's adaptive questions automatically adjust to just the right level of difficulty. A wide variety of question types keeps practice sessions fresh and enables all types of learners to reach their full potential."

At-home learning help for educators

At-home learning help for parents

"eMathInstruction was created on the simple premise that traditional textbooks are no longer the future of math education. Our system of electronic curricula, videos, and printed workbooks are scaffolded to foster deep understanding and develop mathematical skills. We encourage students to keep thinking and solving problems."

"Great Minds offers the Eureka Math curriculum as PDF downloads for free, non-commercial use. The curriculum is accompanied by a selection of instructional materials and support resources for teachers at no additional cost."

"Bring math concepts to life through interactive games, animations and engaging media resources." There are resources for all levels of math, from Kindergarten through High School courses.

This website has many mathematical resources, problems, lessons, and deep thinking activities for teachers to use with their students. The site also contains videos for students to explore applied mathematics.

"Offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom."