Content Showcase: Video Library

This is part of a collection of video tutorials on the topic of Measures of Central Tendency.

This is part of a collection of video tutorials on the topic of Measures of Central Tendency.

This is part of a collection of video tutorials on the topic of Measures of Central Tendency.

This is part of a collection of video tutorials on the topic of Measures of Central Tendency.

This is part of a collection of video tutorials on the topic of Measures of Central Tendency.

This is part of a collection of video tutorials on the topic of Measures of Central Tendency.

In this video, students see a derivation of the formula for the volume of a pyramid. This involves a hands-on activity using unit cubes, along with analysis, and a detailed algebraic derivation.

In this video students study a real-world application of triangular prisms: The Flat Iron Building in New York City. This building is an ideal example of a real-world prism and also provides a tie-in to right triangle geometry.

In this video students learn the basics of prisms and anti prisms. They learn the properties of triangular prisms, rectangular prisms, triangular antiprisms, and rectangular antiprisms.

In this video students learn the basics of rectangular prisms, in the context of a New York residential tower: 432 Park Avenue.

In this video students learn the basics of antiprisms, in the context of New York’s Freedom Tower, which has an antiprism design. They learn the properties of antiprisms, with the focus on those with a square base.

In this video tutorial, students are shown how to count to 20 using three different examples. The video develops the concept of counting and cardinality.

In this video tutorial, students are shown how to use the technique of Counting On to improve the speed and accuracy of their counting, using three different examples. The video develops the concept of counting and cardinality.

In this video tutorial, students are shown how to Skip Count by 2's, 5's, and 10's using three different examples. The video builds on the concept of counting and cardinality.

In this video tutorial, students are shown how to use Skip Counting and Counting On to quickly and accurately count large numbers of items. This video lays the groundwork for developing addition skills.

In this video tutorial, students are shown how to use their counting skills to add two numbers. Three worked-out examples provide an opportunity for students to see how to use their counting skills to add.

In this video tutorial, students are shown how to use their counting skills to subtract two numbers. Three detailed examples show how to use counting to subtract.

This is part of a collection of video tutorials on the topic of Place Value.

This is part of a collection of video tutorials on the topic of Place Value.

This is part of a collection of video tutorials on the topic of Place Value.

This is part of a collection of video tutorials on the topic of Place Value.

In this video tutorial students learn how to calculate the mean when all of the data items are positive numbers. Includes three real-world examples.

In this video tutorial students learn how to calculate the mean when some of the data items are negative numbers. Includes three real-world examples.

In this video tutorial, students are shown how to use their place value skills to build and break down numbers. Three detailed examples show how to use place value.

In this video tutorial, students are shown how to use their place value skills to count by tens. Three detailed examples show how to use counting tens to solve problems.