University of South Florida
Fcat: Human Number Line: Teacher Notes
This activity allows students to physically create a number line and work on adding and subtracting integers. This lesson can be adapted to include other concepts with real numbers.
Calculator Soup
Calculator Soup: Adding and Subtracting Integers (Whole Numbers) Calculator
Use this calculator for adding and subtracting integers. Positive and negative whole numbers are integers. The calculator shows the work for the math and shows you when to change the sign for subtracting negative numbers.
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.
Organization for Community Networks
Ofcn Lesson Plan: Bean Toss
OFCN lesson to help students understand the concept of adding and subtracting positive and negative numbers.
Texas Instruments
Texas Instruments: Gaining or Loosing Yards in Football
This activity will allow students to use the football field as an interactive model for adding, subtracting, multiplying and dividing integers. Many students are familiar with the gain or lost of yards in the game of football, however...
ClassFlow
Class Flow: Adding and Subtracting Integers
[Free Registration/Login Required] In this flipchart students watch a video on adding and subtracting integers, take notes, then practice with colored chips and a number line.
Learning Wave Communications
Learning Wave: Adding Integers
Using several examples, this resource demonstrates how positive and negative numbers are added while applying them to real world situations.
CK-12 Foundation
Ck 12: Real Numbers: Adding Electrons
[Free Registration/Login Required] Students explore real numbers through electrons and protons. Click challenge me to answer practice questions and click learn more to complete a learning module on real numbers.
Other
Math Game Time: Adding Multiple Integers
A worksheet for practicing the addition of positive and negative numbers up to 20. An answer key is provided. The printable file can be accessed through the 'Click Here' link at the bottom of the worksheet.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
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,...
Math Medics
S.o.s. Math: Simple Fractions
This S.O.S. tutorial gives students a basic review of simple fractions. Follow the tutorial to refresh your skills involving simple fraction manipulations. Each section contains problems with links to the answers.
Alabama Learning Exchange
Alex: The Path to Positive
Using the story Less than Zero by Stuart Murphy, students relate money matters to positive and negative numbers as a real-life correlation. Incorporated into this lesson, students play the path to positive game where they are required to...
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.
University of Cambridge
University of Cambridge: Nrich: Adding Plus
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
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!
Calculator Soup
Calculator Soup: Fractions Average Calculator
This calculator finds the average of a set of fractions by adding all of the fractions and dividing by the number of fractions in the set. Enter positive or negative fractions, integers and mixed numbers and the calculator converts...
Calculator Soup
Calculator Soup: Mixed Numbers Calculator
Do math calculations with mixed numbers (mixed fractions) performing operations on fractions, whole numbers, integers, mixed numbers, mixed fractions, and improper fractions. This calculator can add, subtract, multiply and divide mixed...
Khan Academy
Khan Academy: Adding Negative Numbers
Practice adding positive and negative single-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Least Common Multiple
Find the lcm (least common multiple) of pairs of integers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Practice: Adding Negative Numbers
Practice adding one-digit positive and negative numbers.
PBS
Pbs: Additive Inverse
This animated Math Shorts video from the Utah Education Network explains the term additive inverse and provides several examples that demonstrate the concept. In the accompanying classroom activity, students create equations and solve...
That Quiz
That Quiz
ThatQuiz is an excellent assessment tool for teachers and students. At this site, teachers can create individualized or group assessments on a variety of math topics. Students take these practice assessments directly online and receive...
Wyzant
Wyzant: Simplifying Multiple Signs Worksheet
Dealing with multiple positive and negative signs in an algebra equation can be a challenge for some students. This inter-active quiz from WyzAnt provides 20 multiple-sign equations and their answers for students to test their knowledge.
Math Slice
Math Slice: Addition: Math Worksheets
This tool allows you to create worksheets where students solve addition equations at varying levels of difficulty.