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Parts as Fractions


Videos to help Grade 3 students learn how to identify and represent shaded and non-shaded parts of one whole as fractions.

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

Related Topics:
Lesson Plans and Worksheets for Grade 3

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 3

Common Core For Grade 3

NY Common Core Math Module 5, Grade 3, Lesson 7

Lesson 7 Application Problem

Robert was snacking on a small container of applesauce. He ate half of the container. His mother and sister were upset he didn’t save much for them. So he split up the remaining applesauce into 2 bowls. Robert said, “I ate 1 half, and each of you got 1 half.” Is Robert right? Draw a picture to prove your answer.

Bonus Questions:
What fraction of the apple sauce did his mother get?
Why can’t the container be partitioned into 3 equal parts?
What fraction of the applesauce did Robert’s sister eat?

Lesson 7 Concept Development

I have a beaker half full of liquid.

What fraction of liquid can you see? 1 half.

What about the part that is not full? Could that be a fraction, too? Why or why not?
It is a fraction because half is filled, and so it has 1 more half to be all

Even though parts might not be full or shaded, they are still part of the whole.

Lesson 7 Problem Set

1 - 8. Whisper the fraction of the shape that is shaded. Then match the shape to the amount that is not shaded.

9. a. How many eighths are in 1 whole? __________
b. How many ninths are in 1 whole? __________
c. How many twelfths are in 1 whole? _________

10. Each strip represents 1 whole. Write a fraction to label the shaded and un-shaded parts.

11. Avanti read 1 sixth of her book. What fraction of the book has she not read yet?

Lesson 7 Homework

Whisper the fraction of the shape that is shaded. Then match the shape to the amount that is not shaded.
10. Carlia finished 1 fourth of her homework on Saturday. What fraction of her homework has she not finished? Draw and explain.


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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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