### We found 224 resources with the concept common denominators

Videos (Over 2 Million Educational Videos Available)
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6:54
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Other Resource Types (224)
31 Items in Collection
Lesson Planet: Curated OER

#### Math Antics Fractions Video Lessons

For Teachers 3rd - 6th Standards
A series of short videos demonstrate for learners how to work with fractions. The first video in the series defines fractions as being a representation of parts of a whole. As the series continues, viewers learn ways to write division...
42 Items in Unit Module
EngageNY

#### EngageNY Algebra II Module 1: Polynomial, Rational, and Radical Relationships

For Teachers 9th - 12th Standards
The 42 lessons in the Algebra II Module 1 collection are divided into four topics: Polynomials--From Base Ten to Base X, Factoring-- Its Use and Its Obstacles, Solving and Applying Equations—Polynomial, Rational and Radical, and A...
1 In 1 Collection
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#### Listing Fractions in Increasing Size

For Teachers 3rd - 5th Standards
Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...
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#### Fractions: Subtracting Like Denominators

For Teachers 3rd - 5th Standards
These presentations, designed by Monica Yuskatis, are among the best math PowerPoints you can find. Use this one to lead your pupils through the steps needed to subtract fractions with like denominators, then simplify the answers into...
9:50
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For Students 7th - 9th
With a pie graph and an infinite blackboard, this video shows how to add, subtract, and simplify fractions. Once he has established the rule, Sal throws the viewer a curve ball with a fraction subtraction problem that results in a...
3:18
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#### Adding Fractions with Like Denominators

For Students 5th - 7th
Assist your students in understanding how to add fractions with like denominators by showing them this presentation. Sal adds 3/15 to 7/15 and then simplifies his answer. He uses drawings and multiple colors to show the actual process.
2:26
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#### Multiplying Fractions

For Students 5th - 9th
Multiplying fractions has never been easier than in this presentation, which demonstrates the correct way to approach a fraction multiplication problem. Experienced and struggling mathematicians alike will appreciate the way the speaker...
1 In 1 Collection
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#### Exploring Equivalent Fractions

For Teachers 3rd - 5th Standards
An extensive lesson explores equivalent fractions and is intended for three 60-minute periods. Young mathematicians compare and order fractions with like and unlike denominators. Included are worksheets, assessments, and answer sheets;...
1 In 1 Collection 9:04
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For Students 3rd - 6th Standards
Mathematicians walk through the problem-solving process with a nine-minute video that focuses on adding mixed numbers with like and unlike denominators. The host points out and discusses how to use the stacked form, carry, regroup, and...
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#### Speedway

For Students 5th - 6th Standards
Race to extreme fluency. Scholars play a car race online game where the faster they choose the answer to fraction addition and subtraction problems, the faster their cars go. Pupils play against the computer or other players online....
3:58
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#### Ordering Fractions

For Students 6th - 12th Standards
Put fractions in their place. An informative video shows learners how to order fractions with common denominators. The class sees a method of ordering fractions with uncommon denominators by creating equivalent fractions with a common...
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#### Fraction Comparison Race

For Teachers 3rd - 5th Standards
A lesson challenges mathematicians to race their peers to prove a fraction is greater than, less than, or equal to a second fraction with a common denominator. After reviewing the concept, small groups work collaboratively to play the...
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#### Sums of Fractions with Like Denominators: Cheesy Bread

For Students 6th - 8th Standards
Five questions make up an interactive all about adding fractions with like denominators. Mathematicians answer multiple-choice problems and an open-ended question using a fraction model that resembles sliced bread. The practice ends with...
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#### Subtraction of Fractions: Fragmented Fractions

For Students 5th - 8th Standards
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion.
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#### Adding Fractions with Unlike Denominators

For Teachers 4th - 5th Standards
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...
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#### Comparing Fractions

For Teachers 4th - 6th Standards
Three heads are better than one. After reading a conversation between three friends about how to compare fractions, scholars analyze and discuss each presented strategy. These include using unit fractions, using benchmark fractions,...
1 In 1 Collection 5:23
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#### Common Denominator LCD

For Students 3rd - 6th Standards
Do not use the easiest but the first. The video shows a method to find a common denominator by finding the least common denominator to add fractions. By listing the multiples of the denominators, learners easily identify the least common...
1 In 1 Collection 5:07
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#### Common Denominator ECD

For Students 3rd - 6th Standards
Find the easiest common denominator. A video demonstrates finding a common denominator to add fractions. Pupils learn how to find a common denominator by using the product of the two denominators. After finding the common denominator,...
7:00
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For Students 8th - 12th Standards
The process requires the combination of several concepts. A video shows how individuals need several concepts to add rational expressions. Pupils must remember they need to find common denominators, combine like terms, and use the...
5:25
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#### Fractional Equations

For Students 9th - 12th Standards
Teach the least common multiple approach to converting fractions to integers within an equation with a video tutorial that explains how to find the LCM of the denominators in the equation. The instructor then uses the LCM and the...
4:49
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#### Addition and Subtraction of Rational Expressions

For Students 9th - 12th Standards
A rational expression is a fraction where the denominator and/or the numerator is a polynomial. The resource presents rational expressions and how to add and subtract them. Additionally, the video connects the addition and subtraction of...
8:39
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For Students 3rd - 7th Standards
Develop a strategy for adding and subtracting fractions with your classes. The video shows a procedure for adding and subtracting fractions by finding common denominators. Each example increases in difficulty.
2 In 2 Collections
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#### Solving Rational Equations

For Students 10th - 12th Standards
What do fractions and rational expressions have in common? Everything! Learners use common denominators to solve rational equations. Problems advance from simple to more complex, allowing pupils to fully understand the material before...
3 In 3 Collections
EngageNY

#### Adding and Subtracting Rational Expressions

For Students 10th - 12th Standards
There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.