Instructional Video6:17
SciShow Kids

Soil Is Alive!

K - 5th
Jessi and Squeaks make a new friend named Grady, and he teaches them about all the living things you can find in soil! Disciplinary Core Idea: LS4.D: Biodiversity and Humans - There are many different kinds of living things in any area,...
Instructional Video4:47
Rock 'N Learn

Review Subtraction Rap - Single Digits Up To 10

K - 5th
Here is the fun and easy way to learn to read with Rock 'N Learn Mathematics. Enjoy learning with fun, catchy, engaging mathematics songs.
Instructional Video5:52
Tarver Academy

7-2 Ratios in Similar Polygons - GEOMETRY

12th - Higher Ed
In This Episode, Tyler Teaches Us About Ratios in Similar Polygons - Geometry
Instructional Video1:08
Brian McLogan

How to solve a proportion using the cross product

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video11:29
Curated Video

Proportions

9th - 12th
In this video lesson we will learn how to write and solve a proportion. We will use a proportion to determine if two ratios are equal. We will learn that if two ratios form a proportion there is a proportional relationship. We will solve...
Instructional Video3:44
Ancient Lights Media

Taiwan

6th - 8th
Video Atlas of Asia: This clip looks at the physical features, climate and culture of Taiwan.
Instructional Video2:14
Brian McLogan

Determine if ratios are equivalent

12th - Higher Ed
๐Ÿ‘‰ Learn how to divide fractions. To divide two fractions, we multiply the first fraction by the reciprocal of the second fraction. (The reciprocal of a fraction is swapping the positions of the numerator and the denominator). It is...
Instructional Video2:50
Curated Video

Proportional Relationships in a Table (Part 2)

3rd - 5th
Determine if ratios in a table are proportional by testing for equivalent ratios.
Instructional Video5:19
TED-Ed

TED-Ed: Do you have what it takes to freelance? | TED-Ed

Pre-K - Higher Ed
A 2016 survey of freelancers in six countries found that those who freelance by choiceโ€“ 70% of respondentsโ€“ were happier than people in traditional jobs, specifically when it came to things like independence and flexibility in terms of...
Instructional Video2:39
Brian McLogan

Learn to solve a proportion by mulitplying both sides by the LCD (4x+5)/5 = (2x+7)/7

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video1:11
Brian McLogan

Solving a proportion using the cross product ex 7, 8/5 = (4/3x)

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video1:41
Brian McLogan

How to solve a proportion with an expression over another ex 18, (c + 1)/(c - 2) = 4/7

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video2:10
Brian McLogan

Learn how to solve a proportion by applying the cross product ex 15, 15/(x+7) = 45/(x+21)

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video2:59
Brian McLogan

Solve a proportion by multiplying by the LCD ex 13, (2n - 9)/7 = (3 - n)/4

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video4:50
Brian McLogan

Solving a proportion using cross multiplication

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video1:34
Brian McLogan

Solving a proportion by cross multiplication with decimals

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video2:49
Brian McLogan

Learning to solve a proportion

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video54:02
NASA

Expedition 66 Soyuz MS-19 Hatch Closure on International Space Station - March 29, 2022

K - 11th
NASA astronaut Mark Vande Hei and Roscosmos cosmonauts Anton Shkaplerov and Pyotr Dubrov departed the International Space Station March 30 and returned to Earth on the Soyuz MS-19 spacecraft for a parachute-assisted landing near the town...
Instructional Video2:38
Curated Video

How to Write a Proportion | 7.RP.A.2

9th - 12th
In this math video we will learn how to write a proportion. We will understand that a proportion represents to equivalent ratios. In the given problem we will compare a given quantity to the cost. We will compare two different quantities...
Instructional Video12:31
Curated Video

Graphs of Proportional Relationships and Constant of Proportionality

9th - 12th
In this video, the teacher explains how to identify proportional relationships in tables and graphs, and how to determine the constant of proportionality. The lesson includes examples and step-by-step instructions for finding the...
Instructional Video1:37
Curated Video

Proportional Relationships in a Table (Part 1)

3rd - 5th
Determine if ratios in a table are proportional by testing for equivalent ratios.
Instructional Video5:55
Curated Video

Solving Multistep Ratio and Percent Problems Using Proportions

K - 5th
In this video, the teacher explains how to solve multistep ratio and percent problems using proportions. They use examples of applying coupons and taxes to demonstrate the concept. The teacher also clarifies the misconception that the...
Instructional Video4:08
Curated Video

Constant of Proportionality

3rd - 5th
Identify the constant of proportionality when given a table or a graph.
Instructional Video4:26
Curated Video

Using Fractional Ratios in Cooking

9th - 12th
This is a video tutorial on how to solve a cooking problem involving fractional ratios. The teacher uses a tape diagram to explain how to find the amount of blueberries and strawberries needed for the whole recipe based on the given...