Unit Plan
CPALMS

Cpalms: Measure Up! Measuring to Make a Line Plot

For Teachers 3rd Standards
[Free Registration/Login Required] In this lesson, students will generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch and show the data by making a line plot. This lesson includes an...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Sums of Mixed Numbers

For Students 5th - 7th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the sum of mixed numbers by renaming fractions with a common denominator. Students examine guided notes, review guided practice, watch...
Unit Plan
Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers

For Students 6th - 8th Standards
Practice adding and subtracting negative fractions, decimals, and percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
Quia

Ixl Learning: Adding Fractions With Like Denominators

For Students 3rd - 5th Standards
Brush up on your math skills pertaining to adding fractions with like denominators then try some practice problems to test your understanding.
Activity
Interactive Mathematics

Interactive Mathematics: Factoring and Fractions

For Students 9th - 10th Standards
Polynomials are the focus of these lessons, concentrating on factoring and special products to work with rational expressions. Interactive tools of Live Math and Scientific Notebook are used to provide animated solutions to the examples....
Activity
Lesson Tutor

Lesson Tutor: Fraction Addition Worksheet

For Students 3rd - 8th Standards
A worksheet of twelve practice problems is provided here for use by students needing extra help with this concept. All of the questions have like denominators to begin with, so this activity is essentially for those students just...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Making S'mores

For Teachers 5th - 8th Standards
The purpose of this instructional task is to motivate a discussion about adding fractions and the meaning of the common denominator. The different parts of the task have students moving back and forth between the abstract representation...
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Illustrative Mathematics

Illustrative Mathematics: 4.nf Making 22 Seventeenths in Different Ways

For Teachers 3rd - 5th Standards
This task is a straightforward task related to adding fractions with the same denominator. The main purpose is to emphasize that there are many ways to decompose a fraction as a sum of fractions, similar to decompositions of whole...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 5.nf Do These Add Up?

For Teachers 5th - 8th
This task addresses common errors that students make when adding fractions. Aligns with 5.NF.A.2.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Salad Dressing

For Teachers 4th - 8th Standards
The purpose of this task is to have learners add fractions with unlike denominators and divide a unit fraction by a whole number. This accessible real-life context provides students with an opportunity to apply their understanding of...
Lesson Plan
Other

Nearpod: Adding & Subtracting: Unlike Denominators

For Teachers 5th Standards
In this lesson, 5th graders will learn how to add and subtract fractions and mixed numbers using models and by finding common denominators.
Unit Plan
PBS

Pbs: Logical Leaps: Adding Rational Numbers on the Number Line

For Students 6th - 8th
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...
Activity
University of Cambridge

University of Cambridge: Nrich: Fractions in a Box

For Students 3rd - 8th Standards
On this one page website sharpen your logic and fraction skills while working on this challenge. The solution is available to double check your solution.
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Khan Academy

Khan Academy: Add and Subtract Mixed Numbers (No Regrouping)

For Students 3rd - 5th Standards
Practice adding and subtracting mixed numbers with common (like) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Five Math (Page 3)

For Students 3rd - 8th Standards
An interactive worksheet that focuses on adding and subtracting fractions. The worksheet covers concepts such as mixed numbers, reducing to lowest terms, and changing mixed numbers to improper fractions. Problems are set up horizontally...
Activity
Teaching Treasures Publications

Teaching Treasures: Year Five Math (Page 5)

For Students 3rd - 8th Standards
Sharpen your computation skills with this interactive worksheet. The focus is adding and subtracting fractions with like and unlike denominators and reducing to lowest terms. Problems are set up horizontally and answers can be checked...
Whiteboard
ClassFlow

Class Flow: Adding Like Fraction and Mixed Numbers

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This flipchart reviews the meaning of numerator, denominator, mixed number, and improper fraction. Students are introduced to adding like fractions and adding mixed numbers with like denominators using...
Activity
Help Algebra

Help algebra.com: Simplifying Rational Expressions

For Students 9th - 10th Standards
The process of factoring and canceling is used to simplify, multiply, and divide rational expressions. Adding and subtracting rational expressions is also demonstrated, including finding common denominators.
Website
Shodor Education Foundation

Shodor Interactivate: Fraction Adding and Subtracting

For Students 3rd - 8th Standards
Use this discussion, provided by Shodor, to reinforce your knowledge on adding and subtracting fractions with unlike denominators.
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Shmoop University

Shmoop: Fractions & Decimals: Adding & Subtracting Decimals

For Students 9th - 10th Standards
The mathematics notes investigate how to add and subtract decimals. Examples and practice problems with solutions are included.
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Mixed Numbers 2 (With Regrouping)

For Students 3rd - 5th
Practice adding and subtracting mixed numbers with common (like) denominators. Some items require regrouping. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse Increasing or Decreasing? Variation 1

For Teachers 9th - 10th Standards
This task asks students to examine an expression that has a denominator represented by the addition of two fractions. Each of those fractions has a denominator that is a variable. They are asked to analyze the structure of the expression...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Sums of Mixed Numbers With Renaming

For Students 5th - 7th
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the difference of mixed numbers by using borrowing and renaming. Students examine guided notes, review guided practice, watch...