Unit Plan
Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers

For Students 6th - 8th Standards
Practice adding and subtracting negative fractions, decimals, and percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Subtraction of Rational Numbers

For Students 6th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to subtract rational numbers. Students examine guided notes, review guided practice, watch instructional videos and attempt...
eBook
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: Add and Subtract Rational Numbers 2

For Students 9th - 10th Standards
Get independent practice adding and subtracting fractions with unlike denominators. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
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Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers

For Students 7th
Practice adding and subtracting negative fractions, decimals, and percents.
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.
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McGraw Hill

Glencoe: Self Check Quizzes 3 Add and Subtract Fractions With Unlike Denominator

For Students 9th - 10th
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with unlike denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem....
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McGraw Hill

Glencoe: Self Check Quizzes 3 Add and Subtract Fractions With Like Denominators

For Students 9th - 10th
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with like denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At...
Unit Plan
Khan Academy

Khan Academy: Adding & Subtracting Rational Expressions (Advanced)

For Students 10th
Have you learned the basics of rational expression addition/subtraction? Great! Now dig deeper with some advanced examples.
Interactive
PBS

Pbs Learning Media: The Number Line: Rational Numbers and Football

For Students 6th - 8th Standards
Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.
Activity
CK-12 Foundation

Ck 12: Rational Numbers in Applications

For Students 6th - 8th Standards
[Free Registration/Login Required] Students are given real world word problems to explore adding and subtracting rational numbers. Click challenge me to answer a practice question and click learn more to watch a video.
Handout
Other

Math Only Math: Subtraction of Rational Numbers

For Students 7th Standards
Discusses how to subtract rational numbers through detailed explanations of the steps for solving six problems.
Unit Plan
PBS

Pbs: The Number Line: Rational Numbers and Football

For Students 6th - 8th
In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown....
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Khan Academy

Khan Academy: Add & Subtract Rational Expressions

For Students 10th
Example: Subtract and simplify (a-2)/(a+2) - (a-3)/(a^2+4a+4).
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Khan Academy

Khan Academy: Adding & Subtracting Negative Numbers

For Students 7th Standards
Practice solving addition and subtraction problems with integers (positive and negative numbers).
Activity
Math Is Fun

Math Is Fun: Using Rational Numbers

For Students 6th - 8th
This site offers simple examples for adding, subtracting, multiplying, and dividing rational numbers. It also provides examples of writing fractions in simplest form and as mixed numbers or improper fractions. Students can test their...
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Khan Academy

Khan Academy: Add & Subtract Rational Expressions: Like Denominators

For Students 10th
Example: Add and simplify 6/(2x^2-7) + (-3x-8)/(2x^2-7).
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Khan Academy

Khan Academy: Add & Subtract Rational Expressions: Factored Denominators

For Students 10th
Example: Add and simplify x/(2x+1)(x-7) + 2x^2/(2x-3)(x-7).
eBook
CK-12 Foundation

Ck 12: 2.4 Solving Rational Equations

For Students 9th - 10th Standards
This section builds from previous sections on simplifying, multiplying, dividing, adding, and subtracting rational expressions, and it investigates how to apply those skills to solving rational equations. It also covers several...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.ns Rounding and Subtracting

For Teachers 7th Standards
This lesson plan has students subtract and round rational numbers.
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Common Core Sheets

Common Core Sheets: The Number System 7.ns.1d Worksheets

For Teachers 7th
Print or create worksheets or flashcards to assess students' understanding of adding or subtracting rational numbers.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Rational Numbers in Applications

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Solve real-world problems involving the addition and subtraction of fractions and evaluate change.
eBook
CK-12 Foundation

Ck 12: 2.5 Simple Rational Models

For Students 9th - 10th Standards
This section draws on previous sections that explored how to add, subtract, multiply, and divide rational numbers in order to solve real-world problems involving rational equations. It explores how to apply these procedures in order to...
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,...
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Khan Academy

Khan Academy: Adding & Subtracting Negative Fractions

For Students 7th
Practice adding and subtracting positive and negative fractions.