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 Video6:55
Curated Video

Understanding Reciprocals: Flipping Fractions to Find the Multiplicative Inverse

9th - Higher Ed
If you need to learn, understand, and practice writing reciprocals, then this video will be perfect to for you! This video defines what reciprocals are, teaches you how to write them along with a little practice, and it shows you where...
Instructional Video4:26
Curated Video

Represent Products of Fractions

3rd - Higher Ed
Using Fraction Models to Represent Products of Fractions explains how to use a fraction model to represent the product of two fractions.
Instructional Video8:53
Curated Video

Finding Area with Fractions

K - Higher Ed
Cooking is a great example of where you'll come across fractions in the real world, and we have just the chicken noodle soup recipe for you! Let's practice multiplying fractions in real life scenarios, using both models and the standard...
Instructional Video5:02
Curated Video

Multiplying Fractions with Fractions: Finding Parts

K - 5th
In this lesson, mathematicians will learn how to multiply fractions with fractions by understanding that it represents finding a part of a part. By using visual representations and examples, students will grasp the concept of multiplying...
Instructional Video4:44
Curated Video

Multiplying Fractions with Fractions: Using an Algorithm to Solve Problems

K - 5th
In this video, students learn how to multiply fractions with fractions using a sequence of operations. The teacher explains the concept using visual representations and then introduces an algorithm to solve these problems more efficiently.
Instructional Video19:14
Brian McLogan

How to Add, Subtract, Multiply and Divide Fractions | 52 Examples

12th - Higher Ed
In this video I show you how to add, subtract, multiply and divide fractions by working through 52 different examples. I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those...
Instructional Video2:46
Brian McLogan

Learn how to determine the product of a mixed number by a whole number

12th - Higher Ed
👉 Learn how to multiply mixed numbers. To multiply mixed numbers, we first convert the mixed numbers to improper fractions and then multiply the resulting mixed numbers by multiplying the numerator by the numerator and the denominator by...
Instructional Video3:06
Brian McLogan

How to multiply two mixed numbers

12th - Higher Ed
👉 Learn how to multiply mixed numbers. To multiply mixed numbers, we first convert the mixed numbers to improper fractions and then multiply the resulting mixed numbers by multiplying the numerator by the numerator and the denominator by...
Instructional Video4:13
Brian McLogan

What do I have to know to multiply and divide rational expressions

12th - Higher Ed
Learn how to multiply/divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to multiply two fractions, we multiply the numerators...
Instructional Video3:19
Curated Video

How Much Sugar (Solve multistep word problems involving multiplication of a fraction of the form a/b by a whole number c)

K - 12th
A small restaurant buys five sixths of a kilogram of sugar every morning. How much sugar does the restaurant buy in three days?
Instructional Video5:23
Brian McLogan

Multiplying Fractions

12th - Higher Ed
👉 Learn how to multiply fractions. To multiply fractions, we need to multiply the numerator by the numerator and multiply the denominator by the denominator. We then reduce the fraction. By reducing the fraction we are writing it in most...
Instructional Video7:29
Brian McLogan

Applying the reciprocal to solve a one step equation

12th - Higher Ed
👉 Learn how to solve one step linear equations. By one step we mean equations that take one step to solve. The one step is the inverse operation needed to isolate the variable such as addition, subtraction, division and multiplication...
Instructional Video4:03
Brian McLogan

Dividing two polynomials using synthetic division

12th - Higher Ed
👉 Learn about dividing by synthetic division when the divisor is a fraction. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Instructional Video3:48
Brian McLogan

Dividing two simple rational expressions by factoring

12th - Higher Ed
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...
Instructional Video4:43
Curated Video

Making Smoothie (Representing the product of a whole number and a fraction using area models)

K - 12th
Devon is making a smoothie. The recipe calls for two thirds of a cup of yogurt. He wants to make smoothies for a few of his friends as well, so he decides to make four times the amount, or in other words multiply the recipe by four. How...
Instructional Video4:35
Curated Video

Multiplying a Whole Number by a Unit Fraction Using the Number Line

K - 12th
Multiply a whole number (a) by a fraction of the form (1/b) and recognize the equivalence of a×(1/b) and a/b on the number line.
Instructional Video1:03
Brian McLogan

Learn how to take square root of a fraction that is a perfect square ex 7, root(1/100)

12th - Higher Ed
👉 Learn how to find the square root of rational numbers. To find the square root of a rational number, we first express the rational number as the square root of the numerator divided by the square root of the denominator and simplify....
Instructional Video5:37
Curated Video

Kayla's Garden (Solve real-world problems involving multiplication of mixed numbers using equations)

3rd - 5th
Kayla is trying to calculate the area of her rectangular garden. She knows the formula to calculate the area of a rectangle. Area equals the length multiplied by the width.
Instructional Video3:11
Brian McLogan

Learn how to add two rational expressions by finding the LCD

12th - Higher Ed
Learn how to add/subtract rational expressions with trinomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Instructional Video4:43
Curated Video

Multiplying Unit Fractions Using Area Models

3rd - 5th
Multiply a whole number (a) by a fraction of the form (1/b) and recognize the equivalence of a×(1/b) and a/b using visual models.
Instructional Video5:02
Curated Video

Multiplying Whole Numbers by Fractions

3rd - 5th
Multiply a whole number (n) by a fraction of the form n×(a/b) and recognize the equivalence of n×(a/b) and (a×n)×(1/b).
Instructional Video2:30
Brian McLogan

How to determine if ratios are equivalent or not

12th - Higher Ed
👉 Learn all about multiplying and dividing fractions. In this playlist we will explore how to multiply and divide fractions when they are represented as mixed numbers or improper fractions. We will also explore how to simplify our...
Instructional Video4:01
Curated Video

Multiplying Two Fractions Using Area Models

K - 12th
Multiply a fraction by a fraction using area models.