Videos

Tower Bridge History and Construction

Watch this video and learn about the construction of London's Tower Bridge, a combined bascule and suspension bridge.

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.

Undersea Senses of Fish, Sharks and Dolphins

Find information and a video about the specialized senses, including underwater vision and echolocation of undersea creatures such as fish, dolphins and sharks.

Understanding Dilation and Scale Factor of Two Dimensional Figures in a Plane

Use this video to show students what dilation and scale factor is when transforming two dimensional figures in a plane.

Understanding Proportional Relationships and Equivalent Ratios

Help students understand the concept of proportional relationships between two quantities. They will use this knowledge to write an equivalent ratio.

Units of Time: Measure Elapsed Time

In this video, Marta learns how to calculate elapsed time using the clock as a visual.

Use Partial Differences to Subtract

In this video, Alex learns how to do subtraction in parts using place values

Using Arrays of Place Value Blocks to Multiply

This video demonstrates how to use arrays of place value blocks to multiply.

Using Function Tables When Given Input and Output Values

Use this video to show students how they can use function tables to find exactly one output value for every input value.

Using Grid Arrays to Multiply in Parts

In this video, Jada learns how to use grid arrays to model multiplication in parts.