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Decompose Fractions Activity

Grade Levels
3rd, 4th
Resource Types
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Teachers Pay Teachers
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2.15 MB   |   9 pages

PRODUCT DESCRIPTION

Working on fractions? How about trying to teach the common core objective of decomposing fractions? I hope this activity will help you help your kids meet these objectives:

CCSS.Math.Content.4.NF.B.3a Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.
CCSS.Math.Content.4.NF.B.3b Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model. Examples: 3/8 = 1/8 + 1/8 + 1/8 ; 3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8.

Although this activity works great for a 4th grade common core, it is also suitable to challenge third graders or for a third grade extension activity when studying fractions. It may also be suitable for a quick review for fifth grade when starting a fraction unit, as well as for math remedial students.
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Click on the preview button above to see a picture of what is included.

This will work great as a math mini lesson with sheets to evaluate how well students understand it.

This includes 9 slides. They can be used in a couple of different ways. Although it is an adobe file, you can project it as a slide show. Or, you can use half of it as a slide show and there are 4 sheets that could be used as graded activities.

There is a definition sheet, 4 slides that present colorful fractions, and 4 sheets that have problems to either solve together or print for kids to complete individually. The four slides that present examples have cute fraction images for the students to decompose and find equations that will equal the starting fraction.

Feel free to use this activity in your classroom however you would like.

For other creative lesson ideas, click on 'elementary lesson plans' above.
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Total Pages
9
Answer Key
N/A
Teaching Duration
N/A

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On  March 18, 2014Mrs Colwell (TpT Seller) said:
A fabulous addition to my fractions unit!
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On  March 3, 2014,  Connie A. said:
first time teaching decompose fractions great resource for me. Thank you
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On  February 26, 2014Awesome Pants (TpT Seller) said:
Amazing! My students were not only decomposing fractions, but relating the fractions to multiplication as well after doing this activity. I'll definitely use this again next year.
On  February 26, 2014Elementary Lesson Plans answered:
Thank you. I loved reading that. :-) ~Molly
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On  February 26, 2014,  Jennifer M. said:
THIS REALLY HELPED THE KIDS UNDERSTAND FRACTIONS
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On  January 29, 2014Linda Leland (TpT Seller) said:
Makes decomposing easy to understand!
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On  January 26, 2014,  Toni P. said:
Some great worksheets here for decomposing fractions. Really helped my kids do well. There is one typo on the one page with the definition of decomposing fractions (it says 'stared' instead of 'started')
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Great introduction to decomposing fractions.
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Thank you... Started this standard today, will be able to use this tomorrow as a follow up!
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Excellent for covering decomposing fractions! Thanks!
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On  November 19, 2013alicia sandoval (TpT Seller) said:
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On  November 20, 2013Elementary Lesson Plans answered:
Thanks Alicia!! ~Molly
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Exactly what I needed! They are such a time saver!! Highly recommended!
On  November 14, 2013Elementary Lesson Plans answered:
Thank you for the compliment :-) ~Molly
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On  September 26, 2013Mathlete by Jan (TpT Seller) said:
Love this resource. Thanks!
On  September 26, 2013Elementary Lesson Plans answered:
You are very welcome. I appreciate your comment. ~Molly
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On  September 18, 2013,  Buyer said:
Very fun! Thanks!
On  September 18, 2013Elementary Lesson Plans answered:
so glad they had fun!! That's what it's all about. That and learning, of course. Thank you. ~Molly
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On  September 16, 2013,  Buyer said:
Thanks for the resources! Love them!
On  September 16, 2013Elementary Lesson Plans answered:
Thank you. I am so glad people like you love them because it gives me a reason to keep on making them. :-) ~Molly
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On  September 13, 2013,  Hillcrest E. said:
Fun!
On  September 13, 2013Elementary Lesson Plans answered:
Thanks Kelly!! ~Molly
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Product Questions & Answers

On  December 4, 2012Jean McCrum (TpT Seller) asked:
Do you have any multistep word problems, fraction word problems, or any word problems showing the use of bar modeling for the upper grades? mccrumjk@schenectady.k12.ny.us
Teachers Pay Teachers
On  December 4, 2012Elementary Lesson Plans answered:
Hi - I don't think I have anything at this time that would fit that criteria. I will add that to my list of things to make. :-) ~Molly
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Decompose Fractions Activity
Decompose Fractions Activity
Decompose Fractions Activity
Decompose Fractions Activity