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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.
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Khan Academy

Khan Academy: Adding Fractions With 10 and 100 as Denominators

For Students 3rd - 5th Standards
In this exercise, students practice adding fractions with 10 and 100 as denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Khan Academy

Khan Academy: Add Fractions With Unlike Denominators

For Students 5th
Practice adding fractions that have different denominators.
Interactive
ABCya

Ab Cya: Adding Fractions

For Students 4th - 6th Standards
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!
Interactive
ICT Games

Ict Games: Funky Mummy

For Students 1st - 3rd Standards
Funky Mummy is a mobile-friendly number facts game. Play this game to practice quick recall of addition, subtraction and multiplication facts.
Website
Learning Wave Communications

Learning Wave: Decimals

For Students 5th - 8th Standards
This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Fractions With Different Denominators

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This video gives steps of finding common denominators and then adding and subtracting multiple fractions together. After the video, there are practice problems...
Interactive
Fun Brain

Fun Brain: Fraction Soccer

For Students 3rd - 8th
Compete in a soccer shootout by adding, subtracting, multiplying, and dividing fractions. Score goals for your team and block your opponent's shots by answering correctly.
Lesson Plan
Alabama Learning Exchange

Alex: Fraction Fun

For Teachers Pre-K - 1st
The students will participate in a hands-on lesson about dividing a whole object into parts. They will also practice simple addition.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U...
Unit Plan
Other

Project Happy Child: Adding Fractions Story & Worksheets

For Teachers 3rd - 5th Standards
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.
Unit Plan
Math Medics

S.o.s. Math: Adding Compound Fractions Mixed Numbers

For Students 9th - 10th
Explains how to work with compound fractions (mixed numbers). Gives examples and exercises to practice this skill.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Lesson Plans: Fractions

For Teachers 3rd - 5th
Teachers, this is the place to come for fraction lesson plans if you teach elementary learners. All the topics have a number of resources available from which to choose.
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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Shmoop University

Shmoop: Fractions & Decimals: Adding and Subtractions Fractions

For Students 9th - 10th Standards
The mathematics resource explores adding and subtraction fractions. Students examine the topics through class notes and examples. Practice problems with solutions are available to check for comprehension of the concepts.
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.
Interactive
Educaplus (Jesús Peñas Cano)

Educaplus: Suma De Fracciones

For Students 3rd - 5th Standards
In this interactive activity you can practice adding two fractions. Two levels are provided.
Unit Plan
Khan Academy

Khan Academy: Decompose Fractions

For Students 3rd - 5th Standards
Practice decomposing fractions (breaking fractions into parts that can be added together). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Whiteboard
ClassFlow

Class Flow: Adding and Subtracting Fractions With Unlike Denominators

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart includes step by step directions on how to add or subtract fractions with unlike denominators. Practice session included with flipchart.
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
Math Medics

S.o.s. Math: Order of Operations

For Students 9th - 10th Standards
This lesson contains four rules on order of operations and several examples of each. It also allows you to work out practice problems.
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abcteach

Abcteach: Teach: Decimals

For Teachers 1st - 5th
[Free Registration/Login Required] Educators can generate worksheets for primary or elementary grades that focus on decimal addition, subtraction and fraction practice. Worksheets include graphics and answer key.
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Other

Tlsbooks.com: Printable Math Worksheets

For Students Pre-K - 1st
You may print off addition, subtraction, multiplication, division, averages, fraction, and other miscellaneous worksheets that are related to mathematics. On the left hand side of this page you will also find links to other subjects,...
Unit Plan
Other

Help With Fractions: Adding Fractions

For Students 3rd - 8th Standards
The rules for adding fractions with the same or different denominators are clearly explained at this website. This is an excellent place to get step by step explanations for working with fractions.
Activity
Other

Mathpower: Elementary Algebra Assignments

For Students 3rd - 8th Standards
Test your algebra aptitude at this colorful website filled with algebra assignments for upper elementary and middle school students. Assignments explore algebra concepts using addition, subtraction, multiplication, fractions, division,...