Curated OER
Linear Systems
Students solve and graph linear equations. In this algebra lesson plan, students solve systems of equations using elimination and substitution. They graph their answer and identify the point of intersection.
ClassFlow
Class Flow: Negative Numbers
[Free Registration/Login Required] In this flipchart students apply their knowledge of integers to combine positive and negative integers and locate their position on a number line.
PBS
Pbs Kids: Cyberchase: Space Coupe to the Rescue
This interactive game allows users to practice with positive and negative numbers.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Integers
Practice using your graphing calculator for integer problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Khan Academy
Khan Academy: Integers: Negative Numbers: Number Opposites
Students take a quiz over the concept of integer opposites, also known as additive inverses. After answering each question they are given feedback. Hints are available but affect the score. If students are still struggling with the...
Other
Msjc: Lesson: The Opposite and the Reciprocal Assignment: The Opposite
Explore opposites and reciprocals through positive and negative numbers and fractions.
Alabama Learning Exchange
Alex: How Low Can You Go?
For this lesson, students will identify and locate numberspostive and negative numbers, including decimals and fractions on a number line. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Virtual Nerd
Virtual Nerd: Recognize Opposite Signs of Numbers
Use the number line to recognize the opposite of a number.
Khan Academy
Khan Academy: Quadrants on the Coordinate Plane
Practice graphing points on a coordinate plane and identifying the quadrant or axis where they are located. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
University of Cambridge
University of Cambridge: Nrich: Coordinate Tan
Enter the World of Tan. The solutions to these challenges are located right on the website.
Cool Math
Coolmath: Finding the Opposite of a Number
This prealgebra lesson gives you practice on finding opposite numbers.