Khan Academy
Khan Academy: Add & Subtract Mixed Numbers With Unlike Denominators (Regrouping)
Practice adding and subtracting mixed numbers with different denominators. Regrouping required.
Math Planet
Math Planet: Monomials and Adding or Subtracting Polynomials
Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.
CK-12 Foundation
Ck 12: Arithmetic: Expression Evaluation With Different Denominators
[Free Registration/Login may be required to access all resource tools.] Evaluate numerical expressions with fractions by renaming multiple terms with a lowest common denominator.
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Sums of Mixed Numbers and Fractions
[Free Registration/Login may be required to access all resource tools.] Estimate sums of fractions and mixed numbers
Khan Academy
Khan Academy: Practice: Add Fractions With Common Denominators
In this exercise, questions provide practice with adding fractions with common denominators. Immediate feedback is given and hints or a video are available if needed.
Khan Academy
Khan Academy: Adding & Subtracting Rational Numbers
Practice adding and subtracting rational numbers of different forms.
CK-12 Foundation
Ck 12: Arithmetic: Expression Evaluation With Fractions
[Free Registration/Login may be required to access all resource tools.] Evaluate numerical expressions involving sums and differences of fractions.
Calculator Soup
Calculator Soup: Mixed Numbers Calculator
Do math calculations with mixed numbers (mixed fractions) performing operations on fractions, whole numbers, integers, mixed numbers, mixed fractions, and improper fractions. This calculator can add, subtract, multiply and divide mixed...
Calculator Soup
Calculator Soup: Adding Fractions Calculator
Add and subtract proper and improper fractions with this calculator and see the work involved in the solution.
ClassFlow
Class Flow: Adding Fractions With Unlike Denominators
[Free Registration/Login Required] This flipchart teaches the steps necessary to add or subtract fractions with unlike denominators by getting a common denominator. It uses Activotes to assess getting the correct least common multiple,...
Math Slice
Math Slice: Fractions: Math Worksheets
This tool allows you to create worksheets where students add, subtract, multiply or divide fractions at varying levels of difficulty.
Paul Dawkins
Paul's Online Notes: Algebra: Preliminaries: Rational Expressions
Detailed math tutorial features notes and examples that define rational expressions and investigate how to reduce a rational expression to lowest terms, add, subtract, multiply, and divide rational expressions.
Discovery Education
Discovery Education: Web Math: K 8 Math
This WebMath site shows how to add, subtract, multiply and divide through a step by step examples. The user simple selects the operation and types in two numbers, and the computer solves the problem through a step by step process. Also...
Discovery Education
Discovery Education: Web Math: General Math
An extraordinary site that will help you with your math homework. Presented in a format that is both easy to understand and educational. Navigate through numerous instant-answer, self-help math solvers to help you figure out your math...
Oswego City School District
Regents Exam Prep Center: Rational (Fractional) Expressions
A wealth of resources to help you in planning classroom instruction on rational expressions: lesson plans offer guidelines for and examples of simplifying, adding and subtracting, multiplying and dividing rational expressions; practice...
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.
Paul Dawkins
Paul's Online Notes: Rational Expressions: Practice Problems
Practice exercise reviews how to reduce a rational expression to lowest terms and how to add, subtract, multiply and divide rational expressions.
CK-12 Foundation
Ck 12: Elem Math: Fractions With Common Denominators Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to solve word problems where they must add and subtract fractions that have the same denominators. Includes video...
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] Add and subtract rational expressions with the same denominator and different denominators.
AAA Math
Aaa Math: Subtraction
This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.
University of Cambridge
University of Cambridge: Nrich: Fun Time
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.
Varsity Tutors
Varsity Tutors: Aplus Math: Non Java Flashcards (Mixed Topics)
Find a great selection of non-Java math flashcard activities. Choose from an index of flashcard topics of a variety of difficulty levels. Topics include: basic and advanced addition, subtraction, multiplication, and division, algebra,...
CK-12 Foundation
Ck 12: Arithmetic:
[Free Registration/Login may be required to access all resource tools.] Learn how to add integers.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition
[Free Registration/Login may be required to access all resource tools.] Add and subtract decimals with and without rounding