Khan Academy
Khan Academy: Comparing Positive and Negative Numbers on the Number Line
In this exercise, students practice comparing positive and 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: 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...
Khan Academy
Khan Academy: Negative Decimals on the Number Line
Practice placing positive and negative decimal numbers on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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: Add and Subtract With Negatives
Find a quick, concise explanation of how to add and subtract with negatives. Step by step examples are included to help you understand how to find the sum or difference when negative numbers are involved.
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.
Khan Academy
Khan Academy: Negative Numbers on the Number Line
Identify positive and negative integers 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: Negative Symbol as Opposite
Recognize the negative sign as meaning the opposite of a number. Use the negative sign to find the opposites of numbers. In some items, we will find the opposite of an opposite. Students receive immediate feedback and have the...
Khan Academy
Khan Academy: Negative Numbers, Variables, Number Line
Practice comparing positive and negative numbers by thinking about their positions on the number line. Numbers to the right are greater than numbers to the left. Students receive immediate feedback and have the opportunity to try...
Khan Academy
Khan Academy: Ordering Negative Number Expressions
Practice solving challenging negative number addition and subtraction problems. Number line models, variables, and absolute value come together to push your knowledge of negative numbers even deeper (maybe even below zero!). Students...
CK-12 Foundation
Ck 12: Algebra: Additive Inverses and Absolute Values
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about additive inverses and absolute values.
Help Algebra
Help algebra.com: The Real Number System
Natural numbers, whole numbers, integers and rational numbers begin this lesson on the real number system. You can also learn more about the number line and absolute value. Examples and diagrams are included to enhance understanding.
Khan Academy
Khan Academy: Adding Negative Numbers on the Number Line
Practice matching number line diagrams to addition expressions involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Cool Math
Coolmath: Getting Used to Negative Numbers
This tutorial helps students review and practice understanding negative numbers.
Cool Math
Coolmath: Finding the Opposite of a Number
This prealgebra lesson gives you practice on finding opposite numbers.
Khan Academy
Khan Academy: Addition & Subtraction: Find the Missing Value
Practice finding the missing value in an addition or subtraction equation involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Practice: Interpreting Negative Numbers
A practice quiz on understanding what negative numbers mean. Includes hints.
PBS
Pbs Learning Media: Inventing Negative Numbers
In this Cyberchase video segment, the CyberSquad locates the Cyberchase Council by using negative numbers.
Math Open Reference
Math Open Reference: Number Line
Interactive number line illustrates how as you move to the right the numbers increase and as you move to the left the numbers get more negative.
University of Georgia
University of Georgia: Intermath Dictionary: Additive Inverse
"What happens when you add opposite numbers together?" Understanding the additive inverse will help you to answer this questions. An explanation of additive inverse with examples and non-examples.
BBC
Bbc: Bitesize Revision: Negative Numbers
You can learn to recognize negative numbers and do simple computation with negative numbers. The explanations are short, simple and clear. There is even a test to check your introductory skills.
Other
Msjc: Lesson: The Opposite and the Reciprocal Assignment: The Opposite
Explore opposites and reciprocals through positive and negative numbers and fractions.
Better Lesson
Better Lesson: Adding and Subtracting Integers on a Number Line
Sixth graders work with a number line and football to model adding and subtracting integers.