Multiply 4-Digit by 1-Digit Numbers
In this video, Alex and Marta learn how to multiply 4-digit numbers and 1-digit numbers using place values.
Place Value Relationships
In this video, Daniel learns about the comparative relationship between place values.
Sound Waves, Pitch, and Volume Explained
Explain sound waves with this animation of vibrating keys on a vibraphone. Students will learn about pitch and volume.
Treaty of Versailles
Find information and a short video about the Treaty of Versailles, the end of World War I and the years following, plus the birth of nationalism…
Which Bird Beak Can Crush Seeds?
Let's examine bird beak anatomy. Which bird beak can crush seeds: a heron's or a cardinal's? Watch the animation in the video to answer this…
2 and 5 as Factors
In this video, Carlos learns about patterns in the multiplication of 2 and 5.
Calculating the Volume of a Sphere
This video will show students how to find the formula to calculate volume for a sphere.
Describing Accuracy with Percent Error
This video demonstrates how to solve a percent error by analyzing the estimated value and actual value.
Estimate Decimal Quotients
In this video, Alex learns how to estimate a division problem when both numbers are decimals.
Force and Friction: How an Object Moves
Explore force, friction, and the movement of objects. This video demonstrates how a student in a wheelchair uses force throughout the day to…