Unit Plan
PBS

Pbs: Addition of Positive and Negative Integers

For Students 6th - 8th
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.
Interactive
Calculator Soup

Calculator Soup: Adding and Subtracting Integers (Whole Numbers) Calculator

For Students 9th - 10th
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.
Unit Plan
PBS

Pbs: Logical Leaps: Adding Rational Numbers on the Number Line

For Students 6th - 8th
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...
Lesson Plan
Alabama Learning Exchange

Alex: Battle to the Death: Adding Integers

For Teachers 6th - 8th
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,...
Activity
OnlineMathLearning.com

Online Math Learning: Adding & Subtracting Positive & Negative Decimals

For Students 7th
An interactive worksheet for practice in the addition and subtraction of decimals with positive and negative signs.

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