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.
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
Students try to connect four game pieces in a row by answering whole number and integer problems. They can choose the difficulty level as well as addition, subtraction, multiplication, or division.
Beacon Learning Center
Beacon Learning Center: Anti Toast
Students explore positive and negative numbers in this interactive web lesson. Learning exercises are provided for students to practice adding integers.
Arcademics
Arcademics: Orbit Integers
Select the correct answer by adding integers to advance your spacecraft.
abcteach
Abcteach: Select a Math Problem Type
Generate worksheets for math problems ranging from simple addition problems to place value with expanded notation for free. Your choice of font, font size, color and landscape when printing.
Cuemath
Cuemath: Integers
The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...
Illustrative Mathematics
Illustrative Mathematics: G Gpe, N Rn, F Tf Coordinates of Equilateral Triangles
In this task, students are asked if there is an equilateral triangle ABC where two vertices are on the x-axis, and all vertices have integer coordinates. Aligns with G-GPE.B, N-RN.B, and F-TF.C.9.
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.
Oswego City School District
Regents Exam Prep Center: Signed Numbers
This tutorial on signed numbers features lesson plans, practice pages, examples, application problems, and interactive work. Teacher resources include overhead manipulatives, card games, a Bingo game, and graphing calculator downloads.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Add and Subtract With Negatives
Find a quick, concise explanation of how to add and subtract with negatives. Step by step examples are included to help you understand how to find the sum or difference when negative numbers are involved.
National Council of Teachers of Mathematics
Nctm: Illuminations: Volt Meter
As you put the different type of batteries on the volt meter pay attention to the voltage equations in the table. See how positive and negative numbers interact.
BBC
Bbc: Bitesize Revision: Negative Numbers
You can learn to recognize negative numbers and do simple computation with negative numbers. The explanations are short, simple and clear. There is even a test to check your introductory skills.
CK-12 Foundation
Ck 12: Arithmetic: Sums of Integers With Different Signs
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the sum of integers with different signs. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Arithmetic: Sums of Integers With the Same Sign
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the sum of integers with the same sign. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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.
Khan Academy
Khan Academy: Adding & Subtracting Negative Numbers
Practice solving addition and subtraction problems with integers (positive and negative numbers).
Interactive Mathematics
Interactive Mathematics: Integers: Negative Numbers
Explore the world of negative numbers as you look at their relationship to positive numbers, integers, absolute value and more. Test your knowledge using he exercises and games provided.
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 involving subtraction and integers
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