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Whole Numbers as Fractions

Videos and solutions to help Grade 3 students learn how to express whole numbers as fractions and recognize equivalence with different units.

Common Core Standards: 3.NF.3a, 3.NF.3b, 3.NF.3c

Related Topics:
Lesson Plans and Worksheets for Grade 3
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Common Core For Grade 3

New York State Common Core Math Grade 3, Module 5, Lesson 24

Lesson 24 Application Problem

The zipper on Robert’s jacket is 1 foot long. It breaks on the first day of winter. He can only zip it 8/12 of the way before it gets stuck.

Draw and label a number line to show how far Robert can zip his jacket.

Lesson 24 Concept Development

Use fractions strips and number bonds to show that 1 whole = 2/2 = 3/3 = 4/4 = 6/6 etc.

Lesson 24 Homework

1. Write number bonds as indicated. Partition and label the number line to show the unit fractions of the number bond. Don’t forget to rename the 0 and 1 as fractions of the given unit.

2. Circle all the fractions above that are equal to 1. Write them in a number sentence below.

3. What pattern do you notice in the fractions that are equivalent to 1? Following this pattern, how would you write the next whole as a fraction?

4. In an Art class, Mr. Joselyn gave everyone a 1 foot skewer to measure and cut. Vivian broke hers into 5 equal pieces, and Scott broke his into 7 equal pieces. Scott said to Vivian, “The total length of my stick must be longer than yours because I have 7 pieces and you only have 5.” Is Scott correct? Use words, pictures, or a number line to help you explain.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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