Instructional Video4:53
Curated Video

Writing and Solving Proportions

9th - Higher Ed
In this video, Mrs. C breaks down what a proportion is and shows you three easy methods to solve for a missing value: ✅ Mental Math – Spot patterns to find the missing number quickly. ✅ Multiplication – Solve when the variable is in the...
Instructional Video7:09
Curated Video

Using Conversion Ratios

9th - 12th
In this math video we will be using conversion ratios to change a recipe. We will be converting cups to fluid ounces and fluid ounces to tablespoons. We will answer a three part real world problem using conversion ratios to support our...
Instructional Video1:34
Brian McLogan

Solving a proportion by cross multiplication with decimals

12th - Higher Ed
👉 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 Video3:23
Brian McLogan

Solving a proportion using distributive property

12th - Higher Ed
👉 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 Video1:20
Brian McLogan

Using cross product to verify a proportion

12th - Higher Ed
👉 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 Video4:02
Brian McLogan

Solving a proportion for a variable

12th - Higher Ed
👉 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 Video2:35
Brian McLogan

Learn how to solve a proportion by applying cross multiplication

12th - Higher Ed
👉 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 Video3:19
Brian McLogan

Solving a proportion using two step method

12th - Higher Ed
👉 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 Video2:40
Brian McLogan

How to solve a proportion with a variable on both sides

12th - Higher Ed
👉 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 Video1:51
Brian McLogan

Learn to solve a proportion with the variable on the denominator 9/g = 15/11

12th - Higher Ed
👉 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 Video1:06
Brian McLogan

Learn how to apply the cross product to solve the proportion ex 10, (x - 5)/4 = 3/2

12th - Higher Ed
👉 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
👉 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 Video2:07
Brian McLogan

Tutorial-Solve a proportion when the variable is in denominator and numerator ex 16, (3+2x)/(3–2x)=3

12th - Higher Ed
Tutorial-Solve a proportion when the variable is in denominator and numerator ex 16, (3+2x)/(3–2x)=3
Instructional Video3:43
Brian McLogan

How to solve a proportion with a variable in the denominator

12th - Higher Ed
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Instructional Video2:53
Brian McLogan

Solving a proportion with x on both sides

12th - Higher Ed
👉 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 Video1:24
Brian McLogan

Learn to solve a proportion in two different ways ex 9, 5/2n = 3

12th - Higher Ed
👉 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

How do you solve proportions

12th - Higher Ed
👉 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 Video2:09
Brian McLogan

Learn to solve a proportion with cross multiplication

12th - Higher Ed
👉 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
👉 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 Video1:03
Brian McLogan

What is an extended ratio

12th - Higher Ed
👉 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 Video4:22
Brian McLogan

What is the percent between two numbers using a proportion

12th - Higher Ed
👉 Learn how to solve problems using percents. When solving problems with percents we will either convert the percents to decimal form or use proportions to solve. We will look to solve for the percent of change, the original price,...
Instructional Video2:20
Brian McLogan

Solving a proportion with a binomial

12th - Higher Ed
👉 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 Video1:29
Brian McLogan

Solve a proportion by using the cross product and parenthesis ex 20, (b+13)/2 = –5b/3

12th - Higher Ed
👉 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 Video3:47
Curated Video

Converting Between Currencies and Finding Exchange Rates

K - 5th
In this lesson, students will learn how to determine the exchange rate between two different currencies and use it to convert amounts. They will solve proportions to find the exchange rate and apply it to calculate the amount of one...