Whiteboard
SMART Technologies

Smart: Foundational Math Concepts for Elementary Ages

For Teachers K - 1st Standards
Practice everyday math skills such as adding, subtracting, multiplying, dividing, place value, counting money, telling time, fractions, decimals, and more.
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NumberNut

Number Nut: Subtracting Money Under Ten Dollars

For Students 1st - 4th Standards
Find the difference between two money amounts. Values are expressed in decimal form, not coins. There are ten random questions.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fractions With Common Denominators Word Problems

For Students 4th - 5th Standards
[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...
Unit Plan
Khan Academy

Khan Academy: Combining Like Terms With Rational Coefficients

For Students 6th - 8th Standards
Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
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Khan Academy

Khan Academy: Combining Like Terms With Rational Coefficients

For Students 9th - 10th
Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions.
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,...
Graphic
Curated OER

Subtract Image With Borrowing

For Students 3rd - 8th
Use this interactive site from Visual Fractions to practice subtraction with fractions on a number line. You will receive immediate feedback on your answers.
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...
Activity
Texas Instruments

Texas Instruments: Rational Addition, Subtraction

For Teachers 9th - 10th
This StudyCard stack covers adding (or subtracting) numerators with simple to complex denominators. The set ends with sums or differences of rational functions with different denominators.
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.
Unit Plan
Discovery Education

Discovery Education: Web Math: K 8 Math

For Students K - 1st Standards
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...
Unit Plan
AAA Math

Aaa Math: Subtraction

For Students 1st - 8th Standards
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.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Truck Stop: Decimals

For Students 5th - 6th Standards
Students will play interactive learning games to practice ordering, adding, subtracting, and multiplying decimals.
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.
Interactive
CK-12 Foundation

Ck 12: Math Grade 4

For Students 4th
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
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: Differences of Fractions With Like Denominators

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find the difference of fractions with like or common denominators.
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Varsity Tutors

Varsity Tutors: Aplus Math: Non Java Flashcards (Mixed Topics)

For Students 3rd - 8th
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,...
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Khan Academy

Khan Academy: Practice: Add Fractions With Common Denominators

For Students 3rd - 4th
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.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Addition

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Add and subtract decimals with and without rounding
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
Whiteboard
ClassFlow

Class Flow: Daily Math Practice

For Teachers Pre-K - 1st
[Free Registration/Login Required] Use this flipchart as a short daily review. Modify the numbers in the flipchart to create enough pages for an entire year.
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Google

Google for Education: Fraction Addition and Common Denominators

For Students 4th - 6th Standards
Students learn how to find a common denominator between two fractions and then add or subtract the fractions. Decomposition is used to identify patterns in fractions that are relatively easy to visualize, and apply these patterns to...
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Paul Dawkins

Paul's Online Notes: Rational Expressions: Practice Problems

For Students 9th - 10th
Practice exercise reviews how to reduce a rational expression to lowest terms and how to add, subtract, multiply and divide rational expressions.

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