Watch how to measure an object with same-size length units that span it with no gaps or overlaps. Includes a video, transcript, and question and answer section. [4:07]

Sal orders 3 objects by length and compares the lengths of 2 objects indirectly by using a third object. Includes a video, transcript, and question and answer section. [2:36]

Sal demonstrates how to use a ruler while measuring various objects in centimeters and meters. Includes a video, transcript, and question and answer section. [4:39]

Teach language, vocabulary and listening comprehension with Celebrity Vocab clips! [1:54]

Read the die to find out how many repetitions of each exercise to do. Then exercise along with the kids in the video to improve your number recognition and fitness level at the same time. [5:37]

Listen to a master craftsman explain many of the ways that mathematics is used in woodworking, including number operations; geometry; ratios and proportions; and measurement. In the accompanying activity, students will draw a scale...

In this video, learn how mathematics--specifically, proportion, ratio, rate, and conversions--are used in the professional responsibilities of a registered nurse working on the surgical trauma floor. In the accompanying classroom...

A 1st grade teacher uses a clip from Odd Squad to demonstrate measurement to her class. Students watch how Odd Squad agents use measurement to defeat the Hydroclops. They also model good mathematical practices such as being precise and...

This Little Farm is full of sweet farm animals! Come with Miss Penny and the KidVision Pre-K Kids as they collect eggs, measure a pony, and milk a goat. You will hear the sounds all your favorite farm animals make! It will inspire your...

This Dinosaur Train video will help children foster the understanding of heredity: inheritance and variation of traits. Buddy and Daphne compare how they are similar and different. Included are printable dinosaur fact cards. [0:54]

Sal estimates the length of an object when given the length of another object. Includes a video, transcript, and question and answer section. [2:02]

Sal uses a ruler to compare the lengths of different objects. Includes a video, transcript, and question and answer section. [3:06]

Miss Penny and the KidVision Kids go to Spaghetto Pasta Factory to learn how pasta is made. They find out that pasta and pizza are associated with the country of Italy. They identify, measure, and knead the ingredients to make pasta...

Learn about this basic technical indicator and how you can use it to chart the value of a security's price over a set period.

This lesson will demonstrate how to express a metric measurement using several different prefixes using scientific notation. It is 1 of 4 in the series titled "Expressing Metric Measurements in Scientific Notation."

This lesson explains how to convert between units of measurement in the metric system by moving the decimal. It is 1 of 5 in the series titled "Relating Metric System Measures."

This lesson demonstrates how to simplify ratios containing measurements. Students can watch a video tutorial and then take an online quiz.

This lesson will present how to find the volume of a hemisphere. Student watch a video tutorial and then can take an online quiz.

In this lesson, students are introduced to the concept of weight as the heaviness, or mass and density, of an object. This is the first in a series of lessons about weight. Student watch a video tutorial and then can take an online quiz.

This lesson shows students how to distinguish between weight and mass. Before beginning this lesson, students should be familiar with these concepts on their own. Student watch a video tutorial and then can take an online quiz.

In this lesson, students see that an object with a larger size does not necessarily have a larger weight than an object which is smaller in size. This lesson will help students understand the relationship between weight and density....

View this video tutorial to learn about the difference between rate and unit rate. [4:13]

Watch this tutorial to learn why proportions are actually equations with equal ratios. [3:45]

Learn to convert US volume measurements, specifically converting gallons to cups. [5:17]