CK-12

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CK-12 provides open-source high quality K-12 learning platform to help teachers provide learning opportunities for students globally. Free access to 5000+ high-quality, customizable educational concepts in multiple modalities (text, videos, quizzes, images etc.) suited to different learning levels will allow teachers, students and others to innovate and experiment with new models of learning. Learn more at: www.ck12.org/teacher

Total lessons: 668

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(11 Ratings)

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85781

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1417
CK-12
Updated: 
Friday, July 15, 2016 - 1:33pm
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  • Elementary (Grades K-2)
Three to Six Digit Addition http://ck12.org
CK-12
Updated: 
Friday, July 15, 2016 - 1:33pm
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  • Math
  • Elementary (Grades K-2)
Estimation of Whole Numbers and Addition http://ck12.org
CK-12
Updated: 
Friday, July 15, 2016 - 1:33pm
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  • Math
  • Elementary (Grades K-2)
Measurement Tools http://ck12.org