CK-12

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

Lessons 668
Views 89,177
Downloads 1,447
CK-12
Updated: 
2016
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: 
2016
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: 
2016
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: 
2016
0 Comments
  • Math
  • Middle School
Write repeated factors as powers. <BR> base cubed exponent MAT.ARI.134.L.1 power squared
  • Math
  • Middle School
Evaluate and compare powers. <BR> base cubed exponent MAT.ARI.136.L.1 power squared
CK-12
Updated: 
2016
0 Comments
  • Math
  • Middle School
Write and solve division problems with whole numbers. <BR> dividend division divisor MAT.ARI.140.L.1 Quotient remainder
  • Math
  • Middle School
Round whole numbers in order to estimate sums and differences. <BR> Difference estimation MAT.ARI.152.L.1 rounding Sum
  • 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...
CK-12
Updated: 
2016
0 Comments
  • Math
  • Middle School
Identify and classify numbers as either prime or composite. <BR> composite number Divisibility Rules Factors MAT.ARI.160.L.1 prime number
CK-12
Updated: 
2016
0 Comments
  • Math
  • Middle School
Determine the factor pairs of given numbers. <BR> factor MAT.ARI.171.L.1