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CK-12 Foundation
Ck 12: Arithmetic: Estimation With Mixed Number/fraction Subtraction
[Free Registration/Login may be required to access all resource tools.] Estimate differences of fractions and mixed numbers
Visual Fractions
Visual Fractions: Addition of Like Fractions With Circle Models
Brush up on your fraction addition skills with this interactive game. Practice adding fractions and mixed numbers with common denominators. Don't worry! If you need a little assistance, examples and explanations are included.
CK-12 Foundation
Ck 12: Arithmetic: Fraction and Mixed Number Comparison Grade 7
[Free Registration/Login may be required to access all resource tools.] Compare and order fractions and mixed numbers using inequality symbols
Illustrative Mathematics
Illustrative Mathematics: Making S'mores
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...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Skill in Algebra: Algebraic Fractions
Explains how to find a common denominator between two rational expressions and how to reduce a fraction that involves factoring. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Visual Fractions
Visual Fractions: Add Fractions With Number Line or Circle Models
This site is provided for by Visual Fractions. Add mixed numbers with like denominators using circles. Click on the "Explain" button to understand the answer.
PBS
Pbs: Logical Leaps: Adding Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....
Khan Academy
Khan Academy: Add and Subtract Mixed Numbers (No Regrouping)
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.
Illustrative Mathematics
Illustrative Mathematics: 4.nf Peaches
This task provides a context where it is appropriate for students to subtract fractions with a common denominator; it could be used for either assessment or instructional purposes. Aligns with 4.NF.B.3.c.
CK-12 Foundation
Ck 12: Arithmetic: Differences of Mixed Numbers Without Renaming
[Free Registration/Login may be required to access all resource tools.] Find the difference of mixed numbers with common denominators.
ABCya
Ab Cya: Adding Fractions
Adding fractions is a fun game for kids to practice adding fractions with like denominators. Select two fractions that add to the number 1 and watch the monster grow! Help the monster reach full size as fast as you can!
Other
Help With Fractions: Subtracting Fractions
The rules for subtracting fractions with like or unlike denominators are clearly explained at this website. Even mixed number subtraction is tackled! This is an excellent place to get step by step explanations for working with fractions.
CK-12 Foundation
Ck 12: Arithmetic: Subtraction of Fractions
[Free Registration/Login may be required to access all resource tools.] In this lesson students subtract fractions and mixed numbers with like and unlike denominators. Students examine guided notes, review guided practice, watch...
Illustrative Mathematics
Illustrative Mathematics: 5.nf Do These Add Up?
This task addresses common errors that students make when adding fractions. Aligns with 5.NF.A.2.
Other
Project Happy Child: Adding Fractions Story & Worksheets
Miss Walker explains to Bart the fine details of adding fractions. At the end of the discourse is a link, "Return to Fractions index," where you can go to print off some practice sheets.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Complex Fractions
This tutorial shows two different ways in which you can simplify complex fractions. Works through examples step-by-step and gives some practice problems.
Purple Math
Purplemath: Complex Fractions
A brief lesson, including good examples, on complex fractions is provided by PurpleMath.
Common Core Sheets
Common Core Sheets: Number and Operations Fractions 5.nf.2 Worksheets
Worksheets provide practice with solving adding and subtracting fractions with answer keys are provided. You can even create your own worksheet or flash cards.
CK-12 Foundation
Ck 12: Arithmetic: Addition of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] Represent sums and differences on a number line and add and subtract rational numbers.
Sophia Learning
Sophia: Adding Mixed Numbers
Students watch a video lesson about adding mixed numbers. The tutorial includes detailed examples that demonstrate two methods for solving.
Math Is Fun
Math Is Fun: Subtraction of Fractions
This very basic website gives simple, easy steps on how to subtract fractions with the same denominator and what to do when they have different denominators.
Teaching Treasures Publications
Teaching Treasures: Year Five Math (Page 5)
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...
Khan Academy
Khan Academy: Add and Subtract Fractions Word Problems
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Add and Subtract Fractions: Word Problems
In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.