Unit Plan
AAA Math

Aaa Math: Adding Fractions With Different Denominators

For Students 9th - 10th Standards
This personal site explains how to add fractions with different denominators by finding the least common denominator. Gives problems and games to practice this skill.
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Add and Subtract Fractions

For Students 2nd - 5th Standards
This Math Page tutorial explains how to add and subtract fractions and features a practice section at the very end of the lesson.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Subtraction of Fractions

For Students 6th - 9th
[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...
Whiteboard
ClassFlow

Class Flow: Adding Fractions With Unlike Denominators

For Teachers 3rd - 5th Standards
[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,...
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.
PPT
Sophia Learning

Sophia: Adding Mixed Numbers

For Students 6th - 8th
This video tutorial reviews how to add mixed numbers with like and unlike denominators. The lesson includes detailed examples.
Activity
University of Cambridge

University of Cambridge: Nrich: Fun Time

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.
Unit Plan
BBC

Bb Ci: Operations With Fractions Review

For Students 3rd - 6th
This BBC test prep review ("revision") section includes reminders and practice in adding, subtracting, multiplying, and dividing fractions. Clicking "Test Bite" on the last page will get you a short interactive quiz over the material.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Addition of Rational Numbers

For Students 9th - 10th
[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.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Estimation With Mixed Number/fraction Subtraction

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Estimate differences of fractions and mixed numbers
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Addition and Subtraction of Rational Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Add and subtract rational expressions with the same denominator and different denominators.