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.
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,...
Illustrative Mathematics
Illustrative Mathematics: 6.ns Integers on the Number Line 2
Sixth graders examine negative numbers and their relationships in inequalities in this problem. Aligns with 6.NS.C.7.a.
Pew Research Center
Pew Research Center: Stories From Experts About the Impact of Digital Life
While many technology experts and scholars have concerns about the social, political, and economic fallout from the spread of digital activities, they also tend to report that their own experience of digital life has been positive. This...
Purple Math
Purplemath: Solving Inequalities: An Overview
A discussion on how to solve linear and nonlinear inequalities is presented. Both the Test Method and the Factor Method of checking positive/negative intervals are included as part of the discussion.
AAA Math
Aaa Math: Evaluating Exponents of Negative Numbers
This site explains how to evaluate exponents of positive and negative numbers. The site provides games and exercises to practice the skill.
Math Open Reference
Math Open Reference: Prime Number
Learn about prime numbers with this handy reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Cuemath
Cuemath: Natural Numbers
We see numbers everywhere around us - measuring the temperature, counting money, telling the time, etc. The numbers that are used for counting objects are called "natural numbers". This article explains the properties of natural numbers...
AAA Math
Aaa Math: Subtraction
This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.