Houghton Mifflin Harcourt
Four-Quadrant Grid
This is a nifty tool to keep on hand, especially when addressing CCSS.Math.Content.6.NS.6 standards. It is, simply, a Cartesian coordinate plane with all four quadrants. Give individuals one each, and then call out or write ordered pairs...
Curated OER
Circles in the Landscape: Irrigating Oklahoma Crops
How do you grow crops in a area with insufficient rainfall? Why you irrigate, of course. Class members investigate irrigation systems by designing a system of their own. After examining irrigation related concepts, vocabulary terms, and...
Curated OER
Managing Nutrients in Livestock Manure
Livestock managers reinforce math and science skills while learning about the nutrients found in manure. They predict which animal produces the largest amount and which animal's manure contains the most nitrogen. Finally, they compare...
University of South Florida
Fcat: Human Number Line: Teacher Notes
This activity allows students to physically create a number line and work on adding and subtracting integers. This lesson can be adapted to include other concepts with real numbers.
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.
Goodwill
Gcf Global: What Are Negative Numbers?
Learn all about negative numbers, which are any number less than zero.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Integer Subtraction
Get independent practice subtracting integers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Wikimedia
Wikipedia: Additive Inverse
What is additive inverse? It means "opposite." Find out more about this concept in this detailed definition with examples and links to related terms.
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.
PBS
Pbs Kids: Cyberchase: Space Coupe to the Rescue
This interactive game allows users to practice with positive and negative numbers.
Soft Schools
Soft Schools: Rational Numbers on the Number Line
Practice placing negative and positive numbers on a number line in this interactive self-correcting quiz.
Virtual Nerd
Virtual Nerd: Recognize Opposite Signs of Numbers
Use the number line to recognize the opposite of a number.
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.
Mangahigh
Mangahigh: Number: Add and Subtract With Integers
Add and subtract positive and negative numbers.
Mangahigh
Mangahigh: Number: Use Negative Numbers
Test your knowledge of positive and negative numbers.
Mangahigh
Mangahigh: Number: Addition and Subtraction
Add and subtract positive and negative numbers.
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.
Khan Academy
Khan Academy: Equivalent Expressions With Negative Numbers
Practice identifying equivalent expressions involving the addition and subtraction of negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Negative Numbers on the Number Line
In this exercise, students practice finding negative numbers on the number line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Negative Numbers on the Number Line Without Reference to Zero
In this exercise, students practice finding negative numbers on the number line without reference to zero. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Number Opposites
Practice finding the opposites of numbers. Numbers are opposites when they're on opposite sides of the number line the same distance from zero. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Khan Academy
Khan Academy: Number Opposites Challenge
Practice solving more challenging problems finding the opposites of numbers. Numbers are opposites when they're on opposite sides of the number line the same distance from zero. Students receive immediate feedback and have the...
Khan Academy
Khan Academy: Signs of Sums
Practice determining whether the sum of two numbers is positive, negative, or zero. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Interpret Negative Number Addition and Subtraction Expressions
Practice working through addition and subtraction problems using the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.