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How to Multiply Fractions with Whole Numbers | Free Printable

How to Multiply Fractions with Whole Numbers

This how to multiply fractions with whole numbers activity will help students understand how to multiply fractions by whole numbers using the number line and an algorithm.

One of my favorite subjects to teach as a fifth-grade teacher was fractions. I love teaching fractions, and even crazier, I love teaching them on a number line. It is so neat and organized and you can visually see what you are doing.

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It makes me happy to see all those little factions lined up!!

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This multiplying fraction activity will help students understand what how to multiply fractions by whole numbers using the number line and an algorithm.

Teaching Multiplying Fractions with Manipulatives

Teaching fractions on a number line accomplishes something I’m a firm believer in. I believe that students should understand why they are doing something and not just know how to do an algorithm.

I was never good at math while I was in school, but the process of teaching with manipulatives, decomposing numbers, and drawing models has brought an understanding of math I never would have thought possible.

I actually enjoy it now.

To help your students understand fraction multiplication, this post contains a FREE multiplying fractions activity for you to use to review or begin teaching multiplying fractions by a whole number using a number line.

Multiplying Fractions Activity

  1. Print off the interactive notebook.
  2. Next, have your children glue the two middle rows into their math journals.
  3. Now, have them cut on the dotted lines.
  4. Finally, gather up some pencils and markers so they can complete this interactive notebook with you.

Multiplying Fractions by Whole Numbers

In upper grades, students are very familiar with multiplying. Hopefully, at this point, your students understand that multiplication is a quick way of figuring out how many of a certain item you have when that item has been separated into equal groups.

They should recognize that they could solve the multiplication problem by skip counting or repeated addition, but it is not time efficient.

If they understand this, then multiplying fractions on a number line will not be hard for them.

Multiplying Fractions by Whole Numbers: Example 1

Let’s say the problem is 2 x 3/5.

A multiplying fractions worksheet with equations added.

The students begin by creating a number line at 0 and then adding fifths to each increment.

Next, they start “hopping” by three-fifths…..and they do this two times.

It is that simple.

How do you Multiply a Fraction by a Whole Number: Example 2

A multiplying fractions worksheet with equations added.

In this problem, we are multiplying 2/3 by 3. So we will once again use our denominator, 3, and create fractions on the line in increments of 1/3.

Once our number line is filled out, we will “hop” two-thirds, three times. We will end with the number two……the answer.

So if you have a student struggling with fractions, try getting away from the algorithm and finding manipulatives, a number line, or models and let them explore. You may be amazed at the understanding that begins to develop!!

Multiplying Fractions Activity PDF

Below you will find the multiplying fractions activity pdf. You can download the pdf by clicking on the download button and then printing it from your device.

Multiplying-Fractions-on-the-Number-Line-Game-1

 

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