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This video explains how to compare decimals by comparing place value and fractions.

Subject:
Mathematics
Material Type:
Lesson
04/20/2021
Unrestricted Use
CC BY
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This task is meant to address a common error that students make, namely, that they represent fractions with different wholes when they need to compare them. This task is meant to generate classroom discussion related to comparing fractions. Particularly important is that students understand that when you compare fractions, you implicitly always have the same whole.

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
08/10/2012
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This video explains how to compare fractions with the different denominators using modeling.

Subject:
Mathematics
Material Type:
Lesson
05/12/2021
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This video explains how to compare fractions with the same denominators using the meaning of a fraction.

Subject:
Mathematics
Material Type:
Lecture Notes
Lesson
04/20/2021
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CC BY-NC-SA
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This video explains how to compare fractions with the same numerators without using the LCD.

Subject:
Mathematics
Material Type:
Lecture Notes
Lesson
04/20/2021
Unrestricted Use
CC BY
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The focus of this task is on understanding that fractions, in an explicit context, are fractions of a specific whole. In this problem there are three different wholes: the medium pizza, the large pizza, and the two pizzas taken together.

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
08/09/2012
Unrestricted Use
CC BY
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The purpose of this task is to have students think about the meaning of multiplying a number by a fraction, and to use this understanding of fraction multiplication to make sense of the commutative property of multiplication in the case of fractions.

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
07/14/2012
Unrestricted Use
CC BY
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This task gives students word problems with a given a set of a specified size and a specified number of subsets. The questions ask the student to find out the size of each of the subsets.

Subject:
Mathematics
Measurement and Data
Numbers and Operations
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
05/01/2012
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CC BY-NC-SA
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This lesson shows how to write a fraction as a decimal number.

Subject:
Mathematics
Material Type:
Lecture
Author:
Sal Kahn