Texas Instruments
Texas Instruments: Somewhere in Between
In this activity, students develop estimation and mental arithmetic skills for integer addition and subtraction. In this activity, the Number Line application will be used for targeting estimations.
ClassFlow
Class Flow: Integer Addition and Subtraction
[Free Registration/Login Required] This flipchart is an Activote quiz on addition and subtraction of integers.
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate and simplify variable expressions that involve integer addition
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.
Varsity Tutors
Varsity Tutors: Aplus Math: Addition Flashcards
Practice basic addition facts using online flashcards. The game keeps track of how many of the attempted flashcards you get correct, and lets you know your percentage. Did you input an incorrect answer? Don't worry, a message with the...
Varsity Tutors
Varsity Tutors: Aplus Math: Addition Concentration
Practice your basic addition facts using this interactive online game of Concentration. Please note that this is a Java application needing Microsoft Internet Explorer 4.x or Netscape 4.5 or greater.
Varsity Tutors
Varsity Tutors: Aplus Math: Addition Matho
Students can practice their addition facts playing Addition MATHO, a combination of math and bingo! This is a great timed mental math activity.
Khan Academy
Khan Academy: Addition & Subtraction: Find the Missing Value
Practice finding the missing value in an addition or subtraction equation involving negative numbers.
Khan Academy
Khan Academy: Addition & Subtraction: Find the Missing Value
Practice finding the missing value in an addition or subtraction equation involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Number Equations & Number Lines
Practice writing addition and subtraction equations to match number line diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ClassFlow
Class Flow: Adding Integers
[Free Registration/Login Required] This flipchart mimics the use of counters to teach addition of integers with like signs and integers with different signs. There are definitions hidden at the bottom of some pages, just grab and drag to...
Cool Math
Coolmath: Addition of Signed Numbers With the Same Sign
This prealgebra lesson explains how to add signed numbers (integers) when the signs are the same.
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.
Other
Numberpower: Integers
Numberpower answers "What are integers?", "What is a positive integer?", and "What is a negative integer?". You will also find integer multiplication, integer addition, and integer subtraction rules, with examples.
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson is for students to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson will be related to the 300 Spartans who battled the invading Persians at the Battle of Thermopylae,...
Other
Operations on Integers
MATHguide includes rules for addition/subtraction of integers and multiplication/division of integers in this descriptive lesson on integers.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Integers
Twenty-five problems presented on integer topics: integer operations, integer place value, evaluate expressions and equations with integers. They are given with each step to the solution cleverly revealed one at a time. You can work each...
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...
Khan Academy
Khan Academy: Integers: Negative Numbers: Number Opposites
Students take a quiz over the concept of integer opposites, also known as additive inverses. After answering each question they are given feedback. Hints are available but affect the score. If students are still struggling with the...
Texas Instruments
Texas Instruments: Number and Operations 100 or Bust
In this activity students explore the operations of addition, subtraction, multiplication and division of whole numbers and integers.
Cool Math
Coolmath: Coolmath4kids: Orbit Integers
Add positive and negative numbers in this multiplayer space race!
Texas Instruments
Texas Instruments: Integers! It All Adds Up!
In this activity, students can use the number line to add integers and to justify and support the rules they develop.
Other
Math Bugs Me: Add Subtract Integers
This website provides students tips on how to add integers using absolute value and by introducing them to a pattern.
The Math League
The Math League: Integers
This site provides a detailed overview of integers, including positive and negative integers, number lines, absolute values of integers, and comparing integers.
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