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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CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
1 Comment
  • Math
  • 3-5, MS
Students learn to find the least common multiple of a given pair of numbers using lists.
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
1 Comment
  • Math
  • 3-5, MS
Students learn how to find the product of two decimals by multiplying vertically and correctly placing the decimal point.
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
0 Comments
  • Math
  • Middle School
Write and solve vertical subtraction problems with whole numbers. <BR> Difference, MAT.ARI.120.L.1, regroup, subtraction
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
0 Comments
  • Math
  • Middle School
Write and solve multiplication problems with whole numbers. <BR> M factor MAT.ARI.130.L.1 multiplication Multiplier Product
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
0 Comments
  • Math
  • Middle School
Understand and solve problems with exponents. <BR> base cubed expanded notation exponent exponential form MAT.ARI.132.L.1 MAT.ARI.132.L.2 power...
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
0 Comments
  • Math
  • Middle School
Write repeated factors as powers. <BR> base cubed exponent MAT.ARI.134.L.1 power squared
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
2 Comments
  • Math
  • Middle School
Evaluate and compare powers. <BR> base cubed exponent MAT.ARI.136.L.1 power squared
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
0 Comments
  • Math
  • Middle School
Write and solve division problems with whole numbers. <BR> dividend division divisor MAT.ARI.140.L.1 Quotient remainder
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
1 Comment
  • Math
  • Middle School
Round whole numbers in order to estimate sums and differences. <BR> Difference estimation MAT.ARI.152.L.1 rounding Sum
CK-12
Updated: 
Friday, August 5, 2016 - 2:53pm
0 Comments
  • Math
  • Middle School
Round and find compatible whole numbers in order to estimate products and quotients. <BR> compatible number estimation MAT.ARI.154.L.1 Product...