Khan Academy
Khan Academy: Practice: Adding Negative Numbers
Practice adding one-digit positive and negative numbers.
Calculator Soup
Calculator Soup: Common Factors Calculator
This calculator factors a set of positive integers to find the common factors (common divisors) of those integers. Enter the set of numbers you want to factor separating them with commas.
ClassFlow
Class Flow: Multiply and Divide by 100
[Free Registration/Login Required] These pages provide opportunities to practice multiplying and dividing positive integers up to 10,000.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Rational Numbers
A guide to support parents as they work with their students in rational numbers.
Virtual Nerd
Virtual Nerd: Recognize Opposite Signs of Numbers
Use the number line to recognize the opposite of a number.
University of Cambridge
University of Cambridge: Maths and Sports: Swimming Pool
We're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water? This activity uses the familiar environment of a swimming pool to introduce...
Khan Academy
Khan Academy: Interpreting Negative Numbers
In this exercise, students practice interpreting negative numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Algebra: Equations With Decimals
[Free Registration/Login may be required to access all resource tools.] Solve multi-step equations that involve decimals
Khan Academy
Khan Academy: Interpreting Negative Numbers
Practice explaining the meaning of negative numbers in different scenarios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Utah Education Network
Uen: Ordering and Computing With Negative Fractions and Decimals
This lesson plan allows students to practice comparing and ordering rational numbers on a number line as well as computing with fractions and decimals. It provides an assessment plan and attachments for the lesson's activities.
Arcademics
Arcademics: Integer Warp
Idenitfy the correct answer based upon the given integer multiplication problem.
Alabama Learning Exchange
Alex: How Low Can You Go?
In 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.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: High School Basic Algebra Review
An overview of basic high school algebra topics can be found here. Absolute value, signed numbers, inequalities and equations, mixture problems, and direct and indirect variation are all listed, each with links to questions posed by...
Lesson Tutor
Lesson Tutor: A Beginning Look at Basic Algebra
Twelve lessons are provided as an introduction to basic algebra. Each covers the topic clearly, providing examples with explanations as well as practice problems and their solutions for the user. Topics highlighted here include: solving...
Cynthia J. O'Hora
Mrs. O's House: Home Ownership Positives and Negatives
Peruse a few articles provided and answer several probing questions about the pros and cons to owning a home or renting a home. Create a report on the data discovered.
Math Open Reference
Math Open Reference: Prime Number
Learn about prime numbers with this handy reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Cuemath
Cuemath: Natural Numbers
We see numbers everywhere around us - measuring the temperature, counting money, telling the time, etc. The numbers that are used for counting objects are called "natural numbers". This article explains the properties of natural numbers...
ClassFlow
Class Flow: Rational Numbers
[Free Registration/Login Required] Using a number line, the terms whole numbers, rational numbers and integers are defined positive and negative numbers are discussed.
Doina Popovici
Math Play: Adding Integers Game
An online game where students add integers and identify whether the answer of the problem is positive, negative, or zero.
National Council of Teachers of Mathematics
Nctm: Figure This: What Time Is It In?
Can you figure this? If it is afternoon in San Francisco, California, what time is it in Cairo, Egypt? Explore positive and negative number values in this one page activity using time zones from different parts of the world.
Khan Academy
Khan Academy: Missing Numbers on the Number Line
Practice more challenging problems where you identify positive and negative integers on a number line that doesn't have zero labeled. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
CK-12 Foundation
Ck 12: Arithmetic: Integer Division Grade 6
[Free Registration/Login may be required to access all resource tools.] Divide to find the quotients of positive and negative integers.
Khan Academy
Khan Academy: Rational Numbers on the Number Line
Practice placing positive and negative fractions and decimals on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Ordering Small Negative Numbers
Practice putting positive and negative numbers in order. For example, --2, 1, -5, and 3. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.