Purple Math
Purplemath: Practical Algebra Lessons
Pre-algebra and algebra lessons, from negative numbers through pre-calculus. Grouped by level of study. Lessons are practical in nature informal in tone, and contain many worked examples and warnings about problem areas and probable...
Other
The Real Number System
The subsets of the real number system are organized in an easy-to-read table. Use the questions at the bottom of the page as an assignment to check for understanding.
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.
Better Lesson
Better Lesson: Comparing Temperatures
Second graders should be able to recognize what makes one number greater or smaller than another, using place value understanding which is crucial to Common Core mastery. This lesson combines math and science by having students order...
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.
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.
Other
Nearpod: Equations & Inequalities (Numeric/symbolic)
In this lesson on solving equations and inequalities, learners explore the solving equations and inequalities are the same and different by exploring the effects of negative numbers and using inverse operations when solving side by side.
Help Algebra
Help algebra.com: Addition & Subtraction of Real Numbers
Using a number line, the technique for adding and subtracting real numbers is demonstrated. Notation and calculator use is also touched on at the end of the lesson.
NumberNut
Number Nut: Subtraction: Single Digit Subtraction
A quiz for practicing subtraction of one-digit numbers where some of the answers may be negative numbers.
NumberNut
Number Nut: Subtraction: Two Digit Subtraction With Negatives
A quiz for practicing subtraction of two-digit numbers where some of the answers may be negative numbers.
Mr. Martini's Classroom
Mr. Martini's Classroom: Negative Number Multiplication Cards, Fill in the Blank
Students type the correct positive or negative number to complete the multiplication problems on these interactive flashcards. The problem changes color when the correct number is typed.
Mr. Martini's Classroom
Mr. Martini's Classroom: Negative Number Addition Subtraction Quiz
Learners can test their knowledge of adding and subtracting positive and negative numbers with this interactive quiz.
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Positive and Negative [Pdf]
Order of operations with positive and negative numbers is the focus of this graphing calculator lesson. Included are detailed examples, demonstrations of key functions, and practice problems. Acrobat Reader required.
Varsity Tutors
Varsity Tutors: Aplusmath: Addition, Subtraction, Multiplication, Division With Negative Numbe
Learners create flashcards to practice addition, subtraction, multiplication, and division with negative numbers.
ClassFlow
Class Flow: Number Sense Integers
[Free Registration/Login Required] This flipchart will help students understand positive and negative integers and use them in computations and includes Activote questions for assessment.
ClassFlow
Class Flow: Positive & Negative Numbers
[Free Registration/Login Required] This flipchart contains manipulatives for creating addition and subtraction problems using positive and negative numbers. There is an example problem that teachers can use to help design their own...
Wyzant
Wyzant: Simplifying Multiple Signs Worksheet
Dealing with multiple positive and negative signs in an algebra equation can be a challenge for some students. This inter-active quiz from WyzAnt provides 20 multiple-sign equations and their answers for students to test their knowledge.
Wyzant
Wyzant: Simplifying Multiple Signs
A review of the rules of simplifying expressions that contain multiple positive and negative signs. An online worksheet is available for practice.
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.
ClassFlow
Class Flow: Multiplication and Division of Positive and Negative Numbers
[Free Registration/Login Required] This flipchart outline multiplication and division rules for positive and negative numbers and gives examples and problems for students and teachers.
Math Is Fun
Math Is Fun: Multiplying Negatives
The tutorial examines how to multiply negative numbers. The resource consists of detailed examples and explanations.
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.