Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Conversion of Time Between Words and Numbers

1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to calculate time between numbers and words telling how to use after or before with quarter time.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Adding and Subtracting 3 Numbers Word Problems

2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three, two-digit numbers.
Instructional Video
CK-12 Foundation

Ck 12: Prokaryotic & Eukaryotic Cells: Cell Structure and Organization

5th - 8th
[Free Registration/Login may be required to access all resource tools.] A descriptive screencast describing cell structure and organization, highlighting the difference between plant and animal cells. [3:33]
Instructional Video
CK-12 Foundation

Ck 12: Human Genome: Our Molecular Selves

7th - 9th
[Free Registration/Login may be required to access all resource tools.] A dynamic, 3-D, computer-animated video that takes you inside for a close-up look at how humans are made. Watch as the mysteries of the human genome are literally...
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview Equivalent Decimals Ending in Zero

2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows a decimal and explains how any zero used as a place holder does not change the value of the decimal.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Using Symbol Maps With Compound Units

3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Video explaining how to solve word problems involving the distance along the sides of polygons where the units must be converted. [2:58]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Mixed Numbers Word Problems

4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video that shows the steps and describes how to add two mixed numbers by adding the whole numbers, then fractions, and putting it back together.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: The Conversion of Decimals to Fractions

4th - 5th
[Free Registration/Login may be required to access all resource tools.] Video explaining how to convert a decimal number into a fraction and vice versa. [1:05]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: The Conversion of Fractions to Decimals

4th - 5th
[Free Registration/Login may be required to access all resource tools.] Video explaining how to convert a fraction into a decimal. [0:59]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: The Conversion of Mixed Numbers Into Decimals

4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video explaining how to convert a mixed number into a decimal. [1:00]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Using Scales to Find and Compare Weights (Metric Units)

4th - 5th
[Free Registration/Login may be required to access all resource tools.] Video explaining how to read a scale to determine weight in metric units and how to compare the weights of objects. [3:26]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview Sum of the Angles of a Triangle

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on funding the sum of angles in a triangle.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Beginning Time in 5 Minute Intervals: Word Problems

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video showing how to solve a multi-step word problem involving 5-minute intervals of elapsed time. [1:56]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding the Meeting Time Given Total Distance and Two Rates

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a word problem where they must calculate at what time two cars will meet when they are traveling at different speeds from different...
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Coins and Bills Ii

4th - 5th
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a word problem involving coins and bills. [2:11]
Instructional Video
CK-12 Foundation

Ck 12: Division of Rational Numbers

7th Standards
[Free Registration/Login may be required to access all resource tools.] Explains that when you divide rational numbers, you may be dividing fractions, decimals, or positive or negative numbers. Each of these is then demonstrated. [4:38]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Estimate by Inches and Feet (Grade 5)

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This site offers two videos and a set of practice questions on estimating by inches and feet using descriptions and images.
Instructional Video
CK-12 Foundation

Ck 12: How Do Clouds Form?

3rd - 4th
[Free Registration/Login may be required to access all resource tools.] This video gives an explanation about how clouds are formed.
Instructional Video
CK-12 Foundation

Ck 12: Transcription of Dna to Rna: Transcription: The Movie

9th - 10th
[Free Registration/Login may be required to access all resource tools.] This narrated animation that takes you through the steps of transcription. [2:51]
Instructional Video
CK-12 Foundation

Ck 12: Central Dogma of Molecular Biology: The Central Dogma

9th - 10th
[Free Registration/Login may be required to access all resource tools.] Set to dramatic music, this captioned video shows a graphical representation of the transcription of DNA to proteins. [10:46]
Instructional Video
CK-12 Foundation

Ck 12: Prokaryote Habitats: Bacteria, Biology, Bacteriology

9th - 10th
[Free Registration/Login may be required to access all resource tools.] Explore some of the different habitats in which prokaryotes live. [2:33]
Instructional Video
CK-12 Foundation

Ck 12: Scientific Investigation: The Scientific Method Made Easy

5th - 9th
[Free Registration/Login may be required to access all resource tools.] Understand how we use the scientific method and go through the different steps in a simple and easy to understand way. [9:58]
Instructional Video
CK-12 Foundation

Ck 12: Viruses: Flu Attack! How a Virus Invades Your Body

5th - 9th
[Free Registration/Login may be required to access all resource tools.] See how a viral infection works in the human body, as it tricks the host cell into making millions of copies of the virus. [3:40]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Area

2nd - 4th
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on area.