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Mathematics

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3rd Grade

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CCSS.MATH.CONTENT.3.NF.A.3.B

Recognize and generate simple equivalent fractions, e.g., 1/2 = 2/4, 4/6 = 2/3. Explain why the fractions are equivalent, e.g., by using a visual fraction model.

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You will assess and compare equivalent fractions.

You will also use a visual representation to demonstrate the physical meaning of fractions.

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Today, we will be learning how to compare equivalent fractions. We will begin the lesson by learning a few vocabulary words needed to understand this lesson.
I will then give you the history of how fractions became FRACTIONS!

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A numerical quantity that is not a whole number.

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the horizontal straight line that separates the numerator and denominator.

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The top number in a fraction.

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The bottom number in a fraction.

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Fractions that have the same value even though they look different.

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The word fraction comes from the Latin "fractio" which means to break.

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Fractions came into play as early as in 1800 BC.

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Egyptians were writing fractions.

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Their number system was a base 10 idea (a little bit like ours now) so they had separate symbols for 1, 10, 100, 1000, 100000, 1000000, and 10000000

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I will provide the following materials...
- A stack of index cards will be given, that may contain fractions, models, and scales.
-Worksheet

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Part 1:
- We will begin by pairing up and sitting across from our shoulder-partner.
- I will pass out a set of index cards (facing down) to each pair, and it is your job to equally distribute the cards between the two of you and it is okay if you have an extra card then the other.
-Once we have completed this portion, the fun begins!

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Part 2:
- At the count of three I want you all to pick up your index cards ( without your partner looking at your set of cards).
- I will give you 2 minutes to finds pairs within your cards, and set them aside.
*Remember! Your pairs should determine an equivalent fraction. Any match may be a fraction with a scale, fraction with a model, or a model with a scale.*
- After determining your pairs, with your partner, take turns drawing one index card from the other person. If you pull a match, set aside the pair and continue the process.
-The game ends when both of you have drawn all the pairs possible and one of you is holding a card that did not match any of the others. The person holding the extra index card loses.

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After concluding our activity, we will hold a class discussion and relay on what we have learned. We will answer simple questions such as, "What did we think about the activity?", "What are some examples of equivalent fractions we came across?", "Was it helpful to incorporate models to visually see the fraction?", or "How will you use this out in the real world?"...

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Homework Assignment:
You will be assigned a worksheet to take home and finish. The worksheet will consist of equivalent fractions. The worksheet should be collected at the beginning of class, the next day.

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-“3rd Grade Equivalent Fractions Resources.” Education.com, www.education.com/resources/third-grade/equivalent-fractions/. 10 Oct 2019.
- C, Rachel. “15 Fun and Exciting Ways to Teach Equivalent Fractions.” You've Got This Math, 17 Dec. 2017, youvegotthismath.com/2016/05/16/10-activities-to-teach-and-practice-equivalent-fractions/. 10 Oct 2019.
- “Equivalent Fractions - Lessons - Tes Teach.” Tes Teach with Blendspace, www.tes.com/lessons/m10-KR3x8Mr2Jw/equivalent-fractions. 9 Oct 2019.
- “Grade 3 " Number & Operations-Fractions¹ " Develop Understanding of Fractions as Numbers. " 3 " b.” Grade 3 " Number & Operations-Fractions¹ " Develop Understanding of Fractions as Numbers. " 3 " b | Common Core State Standards Initiative, www.corestandards.org/Math/Content/3/NF/A/3/b/.
- “History of Fractions.” Nrich.maths.org, nrich.maths.org/2515. Accessed 9 Oct 2019.
- “Slice My Pizza: Fractions- Enrichment Math Lesson for Third Grade.” SAS, www.pdesas.org/module/content/resources/27550/view.ashx. Accessed 9 Oct 2019.