## 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 88,697

CK-12
Updated:
2018
1 Comment
• Math
• Elementary (Grades 3-5)
This resource includes Guidance with examples, Guidance Practice, Mixed Review, and Vocabulary.

## Physical properties of matter.

CK-12
Updated:
2016
1 Comment
• 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
• 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.

## 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.

## Whole Number Subtraction

CK-12
Updated:
2016
• 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