Bigger Denominator, Smaller Piece

## Activity Overview

Many students will see a larger number in the denominator and think that the bigger number means a bigger value. Fractions are sneaky that way: as the denominator gets bigger, that means that the same whole is being divided into more and more (smaller) pieces. An easy way to help students understand this is to show them a whole being divided using something they're familiar with.

In this activity, students will create a fraction story that shows what happens when a whole is divided into more and more pieces. Some possible wholes for the story might be:

• pizza (as in the example)
• pie
• brownies
• wall space
• paper
Lesson Plan Reference

Difficulty Level 3 (Developing to Mastery)

Type of Assignment Individual or Partner

Common Core Standards
• [Math/Content/3/NF/A/2] Understand a fraction as a number on the number line; represent fractions on a number line diagram.

## Template and Class Instructions

(These instructions are completely customizable. After clicking "Use This Assignment With My Students", update the instructions on the Edit Tab of the assignment.)

#### Student Instructions

Create a fraction story that shows what happens when a whole is divided into more and more pieces. Some possible wholes for the story might be:

• pizza (as in the example)
• pie
• brownies
• wall space
• paper
1. Click "Start Assignment".
2. In the top row, create an illustration that includes something being broken into pieces.
3. In the bottom row, describe how the piece is broken up in fraction terms.
4. Use any other art or descriptions to help explain how wholes are broken up into pieces.
5. Save and submit your storyboard.
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