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Adding and Subtraction Fractions with Unlike Denominators

Adding and Subtraction Fractions with Unlike Denominators

Assessment

Presentation

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Mathematics

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5th Grade

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Practice Problem

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Easy

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CCSS
5.NF.A.1, 5.NF.A.2

Standards-aligned

Created by

Hillary M DeVane

Used 61+ times

FREE Resource

10 Slides • 3 Questions

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​Adding & Subtracting Fractions with Unlike Denominators

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In 4th grade, you learned that adding and subtracting fractions is similar to adding and subtracting whole numbers. This year, we dig deeper into fractions operations.

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​Use what you know...
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Some text here about the topic of discussion

​1. Does Emiliano need more than 1 stick of butter?

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2. How do you know?

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3. Do 1/2 and 1/4 have like denominators?​

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​Let's practice finding the common denominator of some fraction sets.

​What we know so far:

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Open Ended

What is the least common denominator of 16\frac{1}{6}   and 49\frac{4}{9}  ?

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Open Ended

What is the least common denominator of 310\frac{3}{10}   and 16\frac{1}{6}  ?

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Open Ended

What is the least common denominator of 12\frac{1}{2}   and 25\frac{2}{5}  ?

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​Let's use what we know so add and subtract fractions with unlike denominators.
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Take out your Interactive Notebooks, scissors, and glue.

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​But wait!!! There's another way to add and subtract unlike fractions!

https://www.youtube.com/watch?v=zRs_9sC2u4k​

pattern-tertiary
​Adding & Subtracting Fractions with Unlike Denominators

​

In 4th grade, you learned that adding and subtracting fractions is similar to adding and subtracting whole numbers. This year, we dig deeper into fractions operations.

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