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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 about CK-12 at: https://www.ck12.org/teacher/

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Resources 668
Views 97,683
Downloads 1,585

668 items

Physical properties of matter.
  • Science
  • High School
An Interactive lesson and video that will help to understand physical properties of matter. This resource include Information, Guided Practice, Mixed...
Measurement Uncertainty
CK-12 
Updated: 
2016
1 Comment
  • Science
  • High School
An Interactive lesson and video that will help to understand the idea of uncertainty in measurements . This resource include Information, Guided...
Position & Displacement
CK-12 
Updated: 
2016
1 Comment
  • Science
  • High School
Students will learn the meaning of an object's position, the difference between distance and displacement and some basic graphing of position vs...
Doppler Effect
CK-12 
Updated: 
2016
1 Comment
  • Science
  • High School
Students will learn what the Doppler effect is and how to determine frequencies and speeds using the Doppler shift equations.
Marine Food Chains
CK-12 
Updated: 
2016
1 Comment
  • Science
  • Middle School
Students explore the marine food chain, in which food energy comes from photosynthesis at the surface or chemosynthesis at hydrothermal vents.
Least Common Multiple
CK-12 
Updated: 
2016
1 Comment
  • Math
  • 3-5, MS
Students learn to find the least common multiple of a given pair of numbers using lists.
Decimal Multiplication
CK-12 
Updated: 
2016
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.
Decimal Addition
CK-12 
Updated: 
2020
1 Comment
  • Math
  • Elementary (Grades 3-5)
This resource includes Guidance with examples, Guidance Practice, Mixed Review, and Vocabulary.
Whole Number Subtraction
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
Whole Number Multiplication
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