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PPT
Curated OER

Fraction X - Adding Unlike Denominators

For Teachers 5th Standards
Adding fractions with unlike denominators is a difficult process to master. This fine presentation does a terrific job of leading young math whizzes through the steps necessary to perform this calculation. The slides have clear graphics,...
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Worksheet
PBS

Working with Common Denominators: Activities and Supplemental Materials

For Students 4th - 6th Standards
Enjoy these straightforward and simple worksheet pages that practice with different denominators. The practice starts simple with adding fractions together and then works on a recipe that needs to be tripled. 
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Worksheet
Curated OER

Add and Subtract Fractions with Like Denominators - Reteach

For Students 4th - 6th
In this adding and subtracting fractions activity, students review the steps to add or subtract fractions with like denominators. Students then add or subtract the fractions and may use fraction strips to assist them.
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Worksheet
Curated OER

Add and Subtract fractions with like denominators

For Students 4th - 8th
For this add and subtract fractions worksheet, students add and subtract fractions with like denominators. Students complete 3 problems.
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Lesson Plan
Curated OER

Adding and Subtracting Fractions and Mixed Numbers

For Teachers 4th - 6th
Elementary schoolers participate with their teacher's instruction to learn to add and subtract fractions and mixed numbers. They use fraction strips to complete addition and subtraction problems. A step-by-step script is provided to help...
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Worksheet
Curated OER

Adding and Subtracting Fractions [C]

For Students 4th - 5th
In this fraction worksheet, students add or subtract like fractions, 10 problems total. Answers are included on page 2 and a link to more worksheets is present.
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Worksheet
Curated OER

Adding and Subtracting Fractions [D]

For Students 4th - 5th
For this fraction worksheet, learners add or subtract 10 fraction problems. Answers included on page 2; a link to additional worksheets is present.
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Worksheet
Curated OER

Adding and Subtracting Like Fractions [E]

For Students 4th - 5th
In this fraction instructional activity, students add or subtract 10 fraction problems. Answers included on page 2; a link to additional worksheets is present.
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Interactive
Curated OER

Adding and Subtracting Fractions

For Students 3rd - 5th
In this math worksheet, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.
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Interactive
Online Math Learning

Word Problems That Use GFC or LCM

For Students 4th - 6th
This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.
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Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 7th - 9th
In this adding and subtracting rational expressions worksheet, students solve 22 problems with complex denominators. Eight problems have common denominators, for the other 14, students must first multiply to find the common denominator.
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Worksheet
Curated OER

Topic 9.4 - Adding and Subtracting Rational Expressions

For Students 8th - 10th
This worksheet contains a good selection of problems of adding and subtracting rational expressions. There are eight problems. None of the problems have common denominators.  A few are mixed expressions and some require factoring....
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Worksheet
Curated OER

Adding and Subtracting Fractions

For Students 4th - 6th
In this adding and subtracting fractions worksheet, students 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 and Subtracting Fractions

For Teachers 8th - Higher Ed
In this adding and subtracting fractions worksheet, students solve 5 sets of problems related to the adding and subtracting of fractions. First, they identify that each fraction has a common denominator and then simplify by adding or...
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Worksheet
Curated OER

Least Common Multiple

For Students 6th - 9th
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory learning exercise. Instructions for this learning exercise include an explanation of both guess and check as...
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Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like and Unlike Denominators

For Teachers 6th - 7th
In this math worksheet, students compute with fractions. Five of the problems involve common denominators. Four of the problems require students to first find the common denominator. Six problems are multiple choice. One problem involves...
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Worksheet
Curated OER

Adding and Subtracting Rational Expressions with Like and Unlike Denominators

For Students 8th - 11th
In this rational expressions worksheet, students find the sum or difference of two rational expressions in seventy-two problems on four worksheets.  The first two worksheets contain problems with like denominators and the second two...
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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
Curated OER

Discovering New Units

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

Adding and Subtracting Fractions

For Students 4th - 8th
In this adding and subtracting fractions worksheet, students add and subtract fractions with common denominators. Students complete 10 problems total.
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Worksheet
Raytheon

Adding and Subtracting Fractions

For Students 4th - 6th
In this adding and subtracting fractions learning exercise, learners add and subtract fractions including mixed numbers and negatives. Students complete 62 problems.
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Instructional Video7:00
Corbett Maths

Adding Algebraic Fractions

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...
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Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like Denominators

For Teachers 3rd - 4th
Students add or subtract fraction parts of mixed numbers before adding or subtracting the whole number parts. For this fractions lesson, students learn to use a ruler to help them add and subtract fractions with like denominators.
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Worksheet
McGraw Hill

Adding and Subtracting Mixed Numbers

For Students 4th - 8th
Adding and subtracting mixed numbers will be a breeze with this guided worksheet packet. Learners work through examples outlining each step including rewriting mixed numbers as improper fractions, adding numerators, and rewriting the sum...