PBS
Pbs: Addition of Positive and Negative Integers
Introducing a card game that your students can play in small groups to develop their addition skills. This video focuses on addition of positive and negative numbers and briefly touches on subtraction of integers.
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.
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.