# Math and Science Skills Index

The Language Arts and the Math and Science Skills Indexes are designed to help you integrate the TV411 videos, web lessons, and print downloads into your classroom's curriculum. Use the dropdown menu below to browse the full catalog of our math and science materials by the skill or content area they address.

Skill/Content: Perimeter
Type Description Skill/Content
Lesson Polygons and Perimeters

How is a baseball diamond related to a stop sign? The answer lies in Geometry. Check out this lesson on polygons—and you’ll get a new angle on life!

Perimeter
Print Lesson Think Math: Perimeter

Perimeter
Video Video: Perimeter
A pitcher uses his math expertise to find the perimeter of a baseball diamond.
Perimeter
Skill/Content: Place Value
Type Description Skill/Content
Lesson Bacteria: Math Lesson

One teaspoon of soil can be home to as many as 1,000,000,000 bacterial cells. It’s hard to keep track of all those microbes, so we’ll look at some ways to manage the numbers.

Place Value
Lesson Bacterias: Matemáticas Lección

Una cucharadita de tierra puede tener alrededor de 1,000,000,000 células bacterianas. Es difícil llevar la cuenta de todos esos microbios, por lo que veremos algunas maneras de manejar esos números.

Place Value
Lesson How to Set Up a Budget

It’s tough to save money when the bills keep coming and coming. It helps to make a budget. And if you can stick to it, you’ll be on your way to controlling your finances.

Place Value
Lesson Place Value

Commas and decimal points help us keep track of place values in numbers, something we definitely need to know. After all, it's place value that helps us tell \$10.00 from \$1,000!

Place Value
Lesson Posición y Valor

Los números 10.00 y 1,000 pueden aparecer similares, pero esas pequeñas marcas—el punto decimal y la coma—hacen una gran diferencia en el valor de los números.

Place Value
Print Lesson Create a Budget