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

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Other Resource Types
(224)

Lesson Planet: Curated OER

#### Math Antics Fractions Video Lessons

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...

EngageNY

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

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...

Lesson Planet: Curated OER

#### Listing Fractions in Increasing Size

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...

Lesson Planet: Curated OER

#### Fractions: Subtracting Like Denominators

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...

Lesson Planet: Curated OER

#### Adding and Subtracting Fractions

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...

Lesson Planet: Curated OER

#### Adding Fractions with Like Denominators

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.

Lesson Planet: Curated OER

#### Multiplying Fractions

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...

Lesson Planet: Curated OER

#### Exploring Equivalent Fractions

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;...

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#### Adding Mixed Numbers

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...

Lesson Planet: Curated OER

#### Speedway

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....

Lesson Planet: Curated OER

#### Ordering Fractions

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...

Lesson Planet: Curated OER

#### Fraction Comparison Race

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...

Lesson Planet: Curated OER

#### Sums of Fractions with Like Denominators: Cheesy Bread

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...

Lesson Planet: Curated OER

#### Subtraction of Fractions: Fragmented Fractions

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.

Lesson Planet: Curated OER

#### Adding Fractions with Unlike Denominators

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...

Lesson Planet: Curated OER

#### Comparing Fractions

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,...

Lesson Planet: Curated OER

#### Common Denominator LCD

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...

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#### Common Denominator ECD

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,...

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#### Adding Algebraic Fractions

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...

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#### Fractional Equations

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...

Lesson Planet: Curated OER

#### Addition and Subtraction of Rational Expressions

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...

Lesson Planet: Curated OER

#### Adding and Subtracting Fractions

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.

EngageNY

#### Solving Rational Equations

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...

EngageNY

#### Adding and Subtracting Rational Expressions

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.