Content Showcase: Video Library

Video Tutorial: Fractions: Adding Fractions by Using Equivalent Fractions I. In this video students are shown how to use equivalent fractions to add fractions with unlike denominators. In the examples shown, all sums are less than 1.

This is part of a collection of video tutorials on the topic of Fractions. This includes defining fractions, fraction operations, equivalent fractions, comparing and ordering fractions, and applications of fractions.

This is part of a collection of video tutorials on the topic of Fractions. This includes defining fractions, fraction operations, equivalent fractions, comparing and ordering fractions, and applications of fractions.

Video Tutorial: Fractions: Adding Mixed Numbers by Using Equivalent Fractions II. In this video students are shown how to use equivalent fractions to add mixed numbers with unlike denominators. In the examples shown, all fractional sums are greater than 1.

Video Tutorial: Fractions: Dividing Fractions by Whole Numbers. In this video students are shown how to divide fractions by whole numbers. : Link Note: The download is an MP4 file.

Video Tutorial: Fractions: Dividing Two Fractions. In this video students are shown how to divide two fractions.

Video Tutorial: Fractions: Dividing Unit Fractions by Whole Numbers. In this video students are shown how to divide unit fractions by whole numbers.

Video Tutorial: Fractions: Dividing Whole Numbers by Unit Fractions. In this video students are shown how to divide whole numbers by unit fractions.

Video Tutorial: Fractions: Multiplying by Fractions Greater Than 1. In this video students are shown how to multiply by fractions greater than 1.

Video Tutorial: Fractions: Multiplying Fractions by Whole Numbers. In this video, students are shown how to multiply fractions by whole numbers.

Video Tutorial: Fractions: Multiplying Three Fractions. In this video, students are shown how to multiply three fractions.

Video Tutorial: Fractions: Multiplying Two Fractions. In this video, students are shown how to multiply two fractions.

Video Tutorial: Fractions: Multiplying Unit Fractions by Whole Numbers. In this video, students are shown how to multiply unit fractions by whole numbers.

Video Tutorial: Fractions: Subtracting Fractions by Using Equivalent Fractions. In this video, students are shown how to use equivalent fractions to subtract fractions with unlike denominators.

Video Tutorial: Fractions: Subtracting Mixed Numbers by Using Equivalent Fractions I. In this video, students are shown how to use equivalent fractions to subtract mixed with unlike denominators. All examples shown do not involve regrouping.

Video Tutorial: Fractions: Subtracting Mixed Numbers by Using Equivalent Fractions II. In this video, students are shown how to use equivalent fractions to subtract mixed numbers with unlike denominators. All examples shown do involve regrouping.

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

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.