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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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Worksheet
Curated OER

Fraction Fun

For Students 3rd - 4th
Learners solve 22 problems in which simple fractions with like denominators are added, subtracted and compared. Good practice for your third and fourth graders!
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Lesson Plan
Curated OER

Addition and Subtraction of Fractions

For Teachers 3rd - 5th
Students demonstrate how to solve addition and subtraction of fractions. In this fractions lesson plan, students use folded paper to shade in fractional parts and identify the sum of the parts shaded.
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Worksheet
Math Mammoth

Three Denominators

For Students 5th - 6th
For this common denominator worksheet, students learn to add three fractions using common denominators. Students then practice by adding and subtracting fractions using common denominators.
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Lesson Plan
Curated OER

Fraction Food Frenzy

For Teachers 3rd - 5th
Students study addition of fractions with like denominators using illustrations and problem solving.
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Unit Plan
Scholastic

Mega-Fun Fractions

For Teachers 3rd - 4th Standards
Creative and fun lessons help kids get some hands-on experience with fractions. The resource includes 50 innovative ways to teach kids about equivalent fractions, adding and subtracting fractions, using fractions in money math and...
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Worksheet
K-5 Math Teaching Resources

Subtracting Mixed Numbers (Unlike Denominators)

For Students 3rd - 7th Standards
Young mathematicians demonstrate their ability to subtract mixed numbers by completing this collection of fraction word problems. From figuring out the weight of objects in a package, to finding the difference in height between two...
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Lesson Plan
NTTI

I'll Halve S'more Please!

For Teachers 3rd - 5th Standards
There is a lot to learn about fractions, and this is a fun way to do it! Individuals participate in a Cyberchase activity to describe a fraction in terms of sharing parts of a whole. They determine the meaning of the parts of a fraction,...
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Worksheet
Curated OER

Add and Subtract with Unlike Denominators

For Students 5th - 8th
In this adding and subtracting with unlike denominators activity, learners add and subtract fractions with unlike denominators. They complete six problems.
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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

Add Fractions With Like Denominators (J)

For Students 3rd - 4th
In this subtracting fractions worksheet, students use their math skills to solve 14 problems that require them to subtract fractions with like denominators.
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Interactive
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Scholastic

Study Jams! Add & Subtract Mixed Numbers

For Students 5th - 7th Standards
Adding and subtracting mixed numbers need the same attention that regular fractions do by finding a common denominator. If you plan to use a vertical line-up of the fractions then this video is for you. It just introduces this method, it...
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Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 9th - 11th
In this algebra worksheet, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
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Worksheet
Curriculum Corner

Fraction Brochures

For Students 4th - 6th Standards
Make fractions fun and interesting by using a brochure form. Young mathematicians practice and gain a better understanding of how to add and subtract fractions, simplify fractions, and find LCD (least common denominator). The resources...
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Lesson Plan
PBS

Add, Subtract and Multiply Fractions

For Teachers 4th - 6th Standards
Your future chefs will appreciate this comprehensive lesson where learners practice operations on fractions using pizza and soup analogies. Learners begin with a pizza analogy that requires the learners to multiply a whole number by a...
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Lesson Plan
Curated OER

Arithmetic: Fractions and Percentages

For Teachers 4th - 8th
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
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Worksheet
Curated OER

Adding or Subtraction Algebraic Fractions

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students add and subtract algebraic fractions and reduce the answer to lowest terms.  The two page worksheet contains a combination of eleven multiple choice and free response questions.  Answers...
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Instructional Video5:56
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Math Antics

Working with Parts

For Students 3rd - 6th Standards
Get a clearer picture of working with fractions. While continuing to work with fractions as parts, the video shows how to use drawing to compare and add fractions. Worksheets then provide opportunities for pupils to practice comparing,...
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Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (10)

For Students 4th - 6th
In this adding and subtracting mixed numbers worksheet, students use their math skills to solve 10 problems that require them to add and subtract mixed numbers with like denominators.
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Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (8)

For Students 4th - 6th
In this adding and subtracting mixed numbers worksheet, students use their math skills to solve 7 problems that require them to add and subtract mixed numbers with like denominators
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Lesson Plan
Curated OER

Computation with Fractions

For Teachers 4th - 6th
Upper graders are introduced to the topic of fractions and percentages. In groups, they discuss real world situations in which fractions are present, and they complete a worksheet solving problems with common and uncommon denominators....
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Lesson Plan
Curated OER

Subtracting Rational Expressions

For Teachers 8th - 10th
This worksheet contains 10 problems on subtracting rational expressions. It starts out with like denominators and progresses to more complicated problems. Answers are included. 
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Lesson Plan
EngageNY

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...
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Worksheet
Curated OER

Subtracting Fractions

For Students 4th - 5th
For this subtracting fractions worksheet, students read about the process of subtracting fractions with like denominators, examine some sample problems, and then solve 6 problems independently.