Worksheet
Curated OER

Add Fractions With Like Denominators (A)

For Students 5th - 6th
In this mathematics activity, students solve a number of problems by adding the numerators of each and keeping the same denominator. Then they write the answer as a mixed number.
Interactive
2
2
Scholastic

Study Jams! Add & Subtract with Unlike Denominators

For Students 5th - 7th Standards
Your bakers might not realize that they need to know how to add with unlike denominators in order to figure out how much milk they need for a recipe. In order to make brownies and cookies, this lesson teaches how to find a common...
Worksheet
Northern Arizona University

Adding and Subtracting Fractions

For Students 3rd - 5th Standards
Pattern blocks and shapes demonstrate how to add and subtract fractions. By aligning blocks with different shapes, learners figure out how to create a whole, and then how to add and delete parts from that whole.
Interactive
CK-12 Foundation

Fraction Comparison with Lowest Common Denominators: Oranges and Blood Oranges

For Students 6th Standards
Comparing fractions is the focus of a five-question interactive in which mathematicians use oranges to answer real-world multiple-choice, true or false, and discussion questions. 
Lesson Plan
Curated OER

Adding Fractions with Like Denominators

For Teachers 9th - 10th
Young scholars add fractions with the same denominators. In this algebra lesson, students solve fractions with common denominators. There are ten practice problems to get better at this skill.
Lesson Plan
Curated OER

Investigating Fraction Circles

For Teachers 3rd - 5th
Add and subtract fractions with common denominators! In this fractions lesson, upper graders review what they already know about fractions, use manipulatives to compare fractions, and add and subtract fractions.
Lesson Plan
Curated OER

Reduction to Common Denominator

For Teachers 4th - 5th
Students compare two fractions with different denominators. In this fractions lesson plan, students find the least common multiple in order to find a common denominator with two fractions. Once they have a common denominator, they...
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,...
Lesson Plan
Curated OER

Arithmetic: Fractions

For Teachers 5th - 8th
Mathematics aces, after a warm-up activity with some easy calculations, practice solving rules of signs and powers of 10 equations. Multiplying and dividing decimals is also covered within this lesson in depth. A variety of examples and...
Worksheet
Curated OER

Add and Subtract with Unlike Denominators

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

Cynthia's Perfect Punch

For Teachers 3rd - 5th Standards
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...
Lesson Plan
Curated OER

Adding Fractions with Unlike Denominators

For Teachers 9th - 10th
Students add fractions using common denominators. In this algebra lesson, students are given fractions that do not have the same denominators. They are asked to solve the fractions using the same denominator.
Worksheet
Curated OER

Adding Fractions

For Students 3rd - 6th
In this fractions instructional activity, students add fractions that contain common denominators. Students complete 3 addition of fraction problems.
Worksheet
Curated OER

Add Fractions With Like Denominator [H]

For Students 3rd - 4th
In this fraction activity, students solve 14 addition problems that have fractions with like denominators. A review of the process appears at the top of the page.
Lesson Plan
Illustrative Mathematics

Plastic Building Blocks

For Teachers 3rd - 5th Standards
Let's build a castle! Dennis and Cody have big plans, but do they have enough blocks between the two of them to accomplish their goal? A great context that requires students to add and compare mixed numbers. Encourage the use of pictures...
Worksheet
Curated OER

Practice With Complex Fractions

For Students 6th - 8th
In this math worksheet, students find the solutions to the complex fractions. They practice finding the common denominators for each part of the rational expression.
Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (C)

For Students 5th
In this mixed number addition activity, 5th graders add the whole numbers and then the fractions in the mixed number equations. Students then reduce the fraction to solve the 14 problems.
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...
Worksheet
Curated OER

Simplify the Fractions

For Students 4th - 5th
For this simplifying fractions with common denominators worksheet, students add and subtract each problem and find the simplest form. Students solve 12 problems. 
Lesson Plan
Curated OER

Fractions Forever!

For Teachers 5th - 8th
Middle schoolers identify proper, improper fractions, and mixed numbers.  They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as...
Assessment
Illustrative Mathematics

Comparing Sums of Unit Fractions

For Students 4th Standards
First, add each set of fractions with unlike denominators. Then, compare their sums with the symbols <, >, or =. 
Worksheet
Curated OER

Student Exploration: Adding Fractions

For Students 5th - 6th
Students complete activities to learn how to add fractions. In this fractions lesson, students complete a set of prior knowledge questions for fractions. Students then review fraction vocabulary while solving a fraction word problem.
Lesson Plan
Illustrative Mathematics

Adding Tenths and Hundredths

For Teachers 3rd - 5th Standards
Learning to add fractions with different denominators presents a big hurdle for many young mathematicians. Simplify the process for learners with this series of practice problems involving the friendly fractions tenths and hundredths....
Lesson Plan
Willow Tree

Fractions

For Students 7th - 10th Standards
There’s a fine line between a numerator and a denominator. Learners review operations with fractions and ensure they have the skills needed to progress in the course. Taking the time now to review these concepts allows individuals to...