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Lawrence Hall of Science
The Math Page: Skill in Algebra: Adding and Subtracting Signed Numbers
Here is a site that clearly and thoroughly explains how to add and subtract signed numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who...
Math Planet
Math Planet: Pre Algebra: Adding and Subtracting Integers
Gain an understanding of how to add and subtract integers by viewing examples and a video lesson. [0:56]
Math Warehouse
Math Warehouse: Add and Subtract Integers Worksheet [Pdf]
Worksheet contains problems through which students can practice adding and subtracting integers. Real-world application of the skill is provided as well as a quick, diagnostic pre-test.
Interactive Mathematics
Interactive Mathematics: Add and Subtract Algebraic Expressions
Information is given on how to add and subtract algebraic expressions. Also included is information on terms, coefficients, and like terms, as well as examples to demonstrate how to simplify.
Khan Academy
Khan Academy: Negative Number Addition and Subtraction: Word Problems
Negative number addition and subtraction: word problems
Better Lesson
Better Lesson: Adding and Subtracting Integers With Counters
What are opposites and what happens when you add them together? Students work with counters to model adding and subtracting integers.
Better Lesson
Better Lesson: Adding and Subtracting Integers on a Number Line
Sixth graders work with a number line and football to model adding and subtracting integers.
ClassFlow
Class Flow: Adding and Subtracting Integers
[Free Registration/Login Required] The objectives of this flipchart are to show students how to add and subtract with integers and decimals, find absolute value and evaluate expressions.
Khan Academy
Khan Academy: Negative Number Addition and Subtraction: Word Problems
Practice solving word problems with negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs Learning Media: The Number Line: Rational Numbers and Football
Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.
PBS
Pbs: The Number Line: Rational Numbers and Football
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....
Khan Academy
Khan Academy: Interpret Negative Number Addition and Subtraction Expressions
Practice working through addition and subtraction problems using the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding & Subtracting Negative Numbers
Practice solving addition and subtraction problems with integers (positive and negative numbers). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Ordering Negative Number Expressions
Practice solving challenging negative number addition and subtraction problems. Number line models, variables, and absolute value come together to push your knowledge of negative numbers even deeper (maybe even below zero!). Students...
Khan Academy
Khan Academy: Interpreting Negative Number Statements
Practice matching addition and subtraction equations to real-world scenarios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Alabama Learning Exchange
Alex: Investigating Integers
This lesson plan provides students with an opportunity to demonstrate their understanding of real-world integers and create a PowerPoint presentation. It contains an assessment rubric as well as ideas for grouping students and managing...
CK-12 Foundation
Ck 12: Arithmetic: Sums of Integers on a Number Line
[Free Registration/Login may be required to access all resource tools.] In this lesson students find sums of integers by using a number line. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Mr. Martini's Classroom
Mr. Martini's Classroom: Negative Number Addition Subtraction Quiz
Learners can test their knowledge of adding and subtracting positive and negative numbers with this interactive quiz.
Khan Academy
Khan Academy: Interpreting Negative Number Statements
Practice problems interpreting negative number statements.
Khan Academy
Khan Academy: Algebra: Arithmetic With Polynomials and Rational Expressions
Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication i.e. one can add, subtract, and multiply polynomials.
Alabama Learning Exchange
Alex: Integers Are Rising and Falling Everywhere!
Students will expand from the idea of not only identifying signed numbers but to use them for numerical operations. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone...
Khan Academy
Khan Academy: Substitution With Negative Numbers
Practice plugging in values to evaluate negative number addition and subtraction expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Arcademics
Arcademics: Spider Match Adding Integers
Spider Match is a multi-player game that allows students from anywhere in the world to compete against one another while practicing adding and subtracting integers!
Mr. Martini's Classroom
Mr. Martini's Classroom: Number Line With Negative Integers
Students identify, compare, add, subtract, and multiply integers using a number line.