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Lesson Plan
Curated OER

Piecing it Together: Adding & Subtracting Fractions

For Teachers 5th - 8th
Students add and subtract fractions and mixed numbers with unlike denominators. They "fish" for and solve a number of fraction problems requiring adding, subtracting, finding equivalent fractions, and using mixed numbers.
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Worksheet
Curated OER

Adding and Subtracting Fractions 2 Worksheet

For Students 3rd
In this fraction instructional activity, 3rd graders answer 12 questions where they add or subtract fractions written horizontally with uncommon denominators. 
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Worksheet
Curated OER

Adding and Subtracting Fractions 2 Worksheet

For Students 3rd - 5th
In this fraction instructional activity, students answer 12 questions where they add or subtract horizontally written fractions with uncommon denominators. 
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Worksheet
Houghton Mifflin Harcourt

Add and Subtract Fractions with Unlike Denominators

For Students 4th - 5th Standards
Follow the Jones family on their summer vacation by adding and subtracting fractions with unlike denonminators. Pupils compute how much luggage space is filled, how much chicken is eaten, and what distances are covered both by car and on...
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Worksheet
Curated OER

Fractions

For Students 6th - 8th
In this fraction worksheet, students find the sum and difference of fractions with unlike denominators. They multiply and divide fractions. Simple fractions, as well as mixed numbers are provided in this worksheet. This two-page...
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Interactive
CK-12 Foundation

Add and Subtract Three Mixed Numbers: Walking to School

For Students 6th - 8th Standards
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
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Assessment
1
1
California Education Partners

Cady's Cats

For Students 5th Standards
How much can a cat eat? The five-question fraction assessment asks pupils to determine the fractional portion of a food box eaten by cats. Learners show their proficiency in adding and subtracting fractions using several scenarios...
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Lesson Plan
Silver Burdett Ginn

Study Buddies: Adding And Subtracting Fractions With Unlike Denominators

For Teachers Pre-K - 6th Standards
Pair up your math pals to teach each other about adding and subtracting uncommon denominator fractions! Step-by-step instructions are provided as well as five practice problems. 
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Worksheet
Curated OER

Adding and Subtracting Fractions

For Students 4th - 6th
In this adding and subtracting fractions worksheet, learners are guided through the process of adding and subtracting fractions and finding the least common denominator for fractions with different denominators. They practice adding and...
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Lesson Plan
Curated OER

Adding Fractions with Unlike Denominators

For Teachers 4th - 5th
Students explore why denominators need to match before adding (or subtracting) a fraction. They use unmarked fraction circles and marked fraction bars, to discover a method to add fractions with unlike denominators using equivalent...
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Lesson Plan
Curated OER

Reduction to Common Denominator #2

For Teachers 4th - 10th
Elementary and secondary learners compare fractions that have uncommon denominators and add and subtract fractions that have common denominators. They practice reducing fractions and getting denominators to be the same so they can add...
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Worksheet
Helping with Math

Fractions: Subtracting Mixed Numbers (Different Denominator)

For Students 5th - 6th Standards
If your math magicians have mastered adding and subtracting with uncommon denominators, here is a challenge: subtract mixed numbers with uncommon denominators. The values are pretty easy to work with, so this would be appropriate for...
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Worksheet
Curated OER

Add and Subtract With Unlike Denominator Quiz

For Students 4th - 5th
In this fraction quiz worksheet, students add and subtract fractions with unlike denominators, included are 3 word problems. Answers on page 2.
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Worksheet
Curated OER

The Summer School Math Worksheets-Multiplication, Division, Fractions Level 5

For Students 5th - 7th
In this summer school math worksheet, students complete 100 multiplication problems in which 3 digit numbers are multiplied by 2 digit numbers. Students also solve 100 problems in which simple fractions with unlike denominators are added...
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Unit Plan
National Security Agency

Fraction Fever

For Teachers 4th - 5th Standards
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
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Lesson Plan
West Contra Costa Unified School District

Lowest Common Multiple through the Grades

For Teachers 8th - 10th Standards
The LCM will be your new BFF. Learners review least common multiple and least common denominator applications, mostly on fractions, from middle school. Scholars then see how the LCM can be applied to various types of problems from...
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Lesson Plan
Curated OER

Discovering New Units

For Teachers 4th - 6th
Students use Cuisenaire rods to explore common denominators. In this fractions lesson plan, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.
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Lesson Plan
Curated OER

Technology Lesson Activity: Fractions

For Teachers 5th
Fifth graders practice using the English measuring system by creating fractions.  In this parts of a whole lesson, 5th graders combine math key bars to simulate small parts of a bigger item.  Students combine the pieces to create...
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Worksheet
Curated OER

Simplify the Fraction

For Students 3rd - 4th
For this finding the fractions in simplest form worksheet, students add and subtract fractions with uncommon denominators. Students solve five problems.
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Assessment
1
1
California Education Partners

John's Trip Disneyland

For Students 5th Standards
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
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Assessment
PBS

Working with Common Denominators: Assessments

For Students 4th - 6th Standards
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice. 
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Worksheet
Houghton Mifflin Harcourt

Add and Subtract Fractions with Unlike Denominators

For Students 5th - 6th Standards
Once your math class has mastered the skill of adding and subtracting fractions with uncommon denominators, let them apply it to real-life problems. Six scenarios are presented for them to solve, all involving pizza! A tasty test for...
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Worksheet
Curated OER

Arithmetic: Fractions

For Students 7th - 10th
In this fraction instructional activity, students add and subtract fractions with unlike denominators.  They multiply and divide fractions.  This one-page instructional activity is designed for mental math.  It contains 30 problems, with...
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Handout
University of Wisconsin

Fraction Rules

For Students 4th - 6th Standards
Both a reference sheet and skills practice worksheet, this handout on common fraction rules reviews steps for adding, subtracting, multiplying, and dividing fractions. Twenty examples are provided to demonstrate these skills, and...