Multiplying Fractions Teacher Resources

Understanding when to divide by two or one-half can be confusing. Here is an activity that gives four different scenarios. It is up to your number crunchers to decide if they divide by two or one-half. The easiest way to approach the...

Here is a great video explaining how to multiply a fraction by a whole number. Sal shows students how to put a whole number over 1 in order to multiply it by a fraction. He simplifies his answer and writes it as a mixed number.

Word problems are a great way to help learners visualize and understand why fractions are so important. Sal determines what fraction of 3/4 cup of oats he will need if he is making 1/2 a recipe. He uses drawings to demonstrate why one...

With just 1000 pieces of fictional gold, Sal takes viewers through the process of fractional reserve banking. He explains how deposits made into a bank can be both assets and liabilities, and the role of having reserves. Additionally, he...

In the context of a discussion about real wealth versus the representation of wealth (money), Sal explains the multiplier effect and how 1000 pieces of gold can become 2710 pieces of gold. Viewers will appreciate the annotations and...

After a short review on the banking process and lending procedures, Sal outlines some of the problems and weaknesses of fractional reserve banking. Additionally, he details the differences between illiquidity and insolvency, as well as...

Enlargements make it bigger, right? A video shows viewers how to perform a basic dilation with a fractional scale factor. They learn how to use the scale factor to find the location of the transformed vertex by multiplying the horizontal...

Multiply a rational expression and a polynomial. No problem, you can do it. Turn your polynomial into a fraction and multiply. You might need to factor your polynomials first to see if you can cancel out some terms, thereby reducing it...

Ours is to wonder why, not just to invert and multiply. The seventh installment of a 21-part module uses fraction models to help pupils understand why the invert-and-multiply strategy for dividing fractions works. They then work on some...

Multiply straight across. A video shows straightforward examples of multiplying fractions by multiplying the numerators and the denominators. Pupils practice the skill and give their answers as simplified fractions.

A quick demonstration of how to multiply a whole number times a fraction.

A demonstration of how to multiply a whole number times a fraction.

Fractions!?! Learn how to solve an equation that has a fraction in it. The teacher shows how to multiply to eliminate fractions in an equation. She then shows the steps in solving the equation by further isolating the variable.

How tall is tall? Well, here's a word problem that when the solution is found will show how tall, tall is. Two years ago, Brad was five and a half feet tall, which was only 2/3 of how tall he is now. Oh my, he is going to be really tall....

Are you stumped by having a fraction in front of the parentheses in an equation you are trying to solve? Never fear. Watch as the instructor shows you how to work your way through this equation starting with the distributive property and...

Learn how to take a complex fraction and use the reciprocal rule of division to simplify the fraction.

Here is a fraction multiplication of large mixed numbers instructional activity in which learners problem solve and calculate the answers to forty multiplication equations.

In fifth grade, young mathematicians extend their understanding of fractions to multiplying them together. Give them a worksheet that has them do exactly that. Class members solve five fraction multiplication problems, including one with...

Finding a fraction of a number is just multiplication in disguise. Young mathematicians can interact with this lesson to practice using multiplication to find a percent of a whole number. The narrator goes over how to put the number over...

Here is a good presentation for young mathematicians. In it, learners practice the skill of doubling numbers by simply multiplying them by two. At first, the problems are easy. By the end of the PowerPoint, they are asked to double...

Knowing how to multiply fractions is an important skill. Knowing when you should multiply fractions is equally as important. This impressive presentation covers both topics quite nicely. Along with slides that present explanations, there...

Got a fraction in your equation? Don't like that fraction? Just multiply both sides by the reciprocal of that fraction to get rid of it. Now you can solve the problem using the steps necessary to isolate your variable. Don't forget to...

If you're teaching your pupils the technique of multiplying fractions together and simplifying the answer, this presentation could be for you! In it, math learners are coached on the techniques involved in performing this task and shown...