Fraction - Area Models

Videos, examples, solutions, and lessons to help Grade 3 students learn how to specify and partition a whole into equal parts, identifying and counting unit fractions by drawing pictorial area models.

Common Core Standards: 3.G.2, 3.NF.1

NY Common Core Math Grade 3, Module 5, Lesson 3
Worksheets for Grade 3

Application Problem
Marcos has a 1-liter container of milk he is going to share with his mother, father, and sister at dinner. Draw a picture to show how Marcos must share the container of milk so that all 4 of them get the same amount of milk. What fraction of the milk does each person get?

Concept Development

1. Fold a rectangle into 4 equal parts.
   How many total units did I split the whole into? 4.
   What is each fractional unit called? 1 fourth or 1 quarter.

2. Fold a circle into 2 equal parts.
   How many total units did I split the whole into? 2.
   What’s the fractional unit called? 1 half.

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Identifying & Counting Unit Fractions.

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Lesson 3 Problem Set Sample Solution

1. Each shape is a whole divided into equal parts. Name the fractional unit and then count and tell how many of those units are shaded.
2. Circle the shapes that are divided into equal parts. Write a sentence telling what “equal parts” means.
3. Each shape is 1 whole. Estimate to divide each into 4 equal parts. Name the fractional unit below.
4. Each shape is 1 whole. Divide and shade to show a fractional unit of: a half, a sixth, a third
5. Each shape is 1 whole. Estimate to divide each into equal parts (Do not draw fourths.). Divide each whole using a different fractional unit. Write the name of the fractional unit on the line below the shape.
6. Charlotte wanted to equally share a candy bar with her 4 other friends. Draw Charlotte’s candy bar. Show how she can divide her candy bar so that Charlotte and her 4 friends each get an equal share. What fraction of the candy bar does each girl receive?

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Lesson 3 Homework

1. Each shape is a whole divided into equal parts. Name the fractional unit and then count and tell how many of those units are shaded. The first one is done for you.
   
   
2. Anita uses on one sheet of paper to show each month of the year. Draw Anita’s calendar. Show how she can divide his calendar so that each month is given the same space. What fraction of the calendar bar does each month receive?

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