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Understand Fractions (Grade 3)




 


Videos and lessons to help Grade 3 students learn to understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.

Common Core: 3.NF.1

Suggested Learning Target

  • I can explain any fraction (1/b) as one part of a whole.
  • I can explain any fraction (a/b) as "a" (numerator) being the numbers of parts and "b" (denominator) as the total number of equal parts in the whole.

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More Lessons for Grade 3

Common Core for Grade 3


Understanding fraction 1/b as part of a whole partitioned into b equal parts. Lesson 1 of 4
In this lesson you will learn that fractions are equal size parts of a whole by looking at fair and unfair situations.


Understanding fraction 1/b as part of a whole partitioned into b equal parts. Lesson 2 of 4
In this lesson you will learn how to represent fractions in different ways by dividing the same whole into equal parts.





Understanding fraction 1/b as part of a whole partitioned into b equal parts. Lesson 3 of 4
In this lesson you will learn how to write and name a fraction by using numbers called the numerator or top number and denominator or bottom number.


Understanding fraction 1/b as part of a whole partitioned into b equal parts. Lesson 4 of 4
In this lesson you will learn that the larger the denominator, the smaller the fractional parts by using models and looking at real world examples.



 

Write fractions using shapes (1) - 3.NF.1
In this lesson, you will learn how to write fractions with a numerator of one by looking at shapes that are broken into equal parts.


Write fractions using shapes (2)
In this lesson, you will learn how to write fractions with the numerators other than one by looking at shapes broken into equal parts.




Write fractions of a set (1)
In this lesson, you will learn how to write fractions by looking at sets of objects and grouping them into equal parts.


Write fractions of a set (2)
In this lesson, you will learn how to write fractions by looking at a set of objects and grouping it into equal parts.



 

Recognize fractions by breaking shapes into equal parts)
In this lesson, you will learn how to recognize fractions by breaking shapes into equal parts.


Count fractions to make 1 whole
In this lesson, you will learn how to count fractions to make one whole by looking at the equal parts of a whole to figure out the name of each part.




Understand fractions by creating mini stories
In this lesson, you will learn how to create mini-stories to match fractions by sketching out numerators and denominators.


Solve fraction word problems using key words and pictures
In this lesson, you will learn how to solve word problems involving fractions by looking for key words and using those to draw pictures to match.



 

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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