Curated OER
Bean Toss
Learners investigate positive and negative numbers using lima beans as a concrete model.
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.
New York Times
New York Times: Steven Strogatz on the Elements of Math Series the New York Times
[Free Registration/Login Required] On this site, Cornell University mathematics professor, Steven Strogatz, shares his 15-part series of columns on the elements of math. He investigates topics ranging from negative numbers to subtraction...
PBS
Pbs Learning Media: The Number Line: Rational Numbers and Football
Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.
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.
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.
Scholastic
Scholastic: Study Jams! Math: Numbers: Integers
This site provides great practice on the concept of integers. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their knowledge by...
Mangahigh
Mangahigh: Pinata Fever: Add and Subtract With Negative Numbers
A fast paced game where students add and subtract positive and negative integers quickly so they can smash a pinata. Three levels of play, and instructional help is available as they progress.
Wyzant
Wyzant: Simplifying Multiple Positive or Negative Signs
Students learn how to simplify multiple positive or negative signs. The resource consists of lessons with examples, a combining like terms calculator, an equation calculator, and a worksheet to check for comprehension.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Integers
Find a quick, concise explanation of integers. A helpful diagram is given and clearly explained that shows the relationship of integers to other number groups.
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.
CK-12 Foundation
Ck 12: Positive and Negative Fraction and Decimal Comparison Grade 7
[Free Registration/Login may be required to access all resource tools.] Compare and order decimals and fractions.
Can Teach
Can Teach: Plot Four: Positive and Negative Numbers
Plotting points is usually an interesting activity for students. Make it even more interesting and engaging using this game.
Oswego City School District
Regents Exam Prep Center: Signed Numbers
This tutorial on signed numbers features lesson plans, practice pages, examples, application problems, and interactive work. Teacher resources include overhead manipulatives, card games, a Bingo game, and graphing calculator downloads.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Signed Numbers
This resource explains positive and negative numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems.
PBS
Pbs Learning Media: Inventing Negative Numbers
In this Cyberchase video segment, the CyberSquad locates the Cyberchase Council by using negative numbers.
Organization for Community Networks
Ofcn Lesson Plan: Bean Toss
OFCN lesson to help learners understand the concept of adding and subtracting positive and negative numbers.
Math Open Reference
Math Open Reference: Number
Resource defines numbers into two main categories, counting numbers and scalars. It also gives examples of number notation.
Common Core Sheets
Common Core Sheets: The Number System 7.ns.1a Worksheets
Create a worksheet to assess students understanding of adding and subtracting with negative and positive numbers.
Quia
Ixl Learning: Comparing Rational Numbers
Brush up on your math skills relating to comparing rational numbers then try some practice problems to test your understanding.
Cool Math
Coolmath: Number Systems
This CoolMath resource will teach students about natural numbers, positive numbers, and whole numbers.
PBS
Pbs: Harry Makes a Big Splash With Positive and Negative Numbers
In this Cyberchase video, Harry, his friend, and his cousin Harley form a swim relay team. They get timed in three different strokes to see who should swim which one in a relay. They look at the results and try to find the combination of...
PBS
Pbs Learning Media: Pearl Diver
Play a fast-paced video game that involves finding rational numbers on the number line. This game from Math Snacks focuses on using what you know about positive and negative numbers and fractions to place them correctly on the variable...
PBS
Pbs Learning Media: Logical Leaps: Rational Numbers on the Number Line
In this interactive, use logic to solve riddles involving a wallaby jumping contest.