PBS
Pbs: Function Machine
Control the inputs and operations of a function machine to produce specific outputs. This interactive exercise focuses on exploring operations, making patterns, and the rules for calculations with positive and negative integers.
Other
Numberpower: Integers
Numberpower answers "What are integers?", "What is a positive integer?", and "What is a negative integer?". You will also find integer multiplication, integer addition, and integer subtraction rules, with examples.
Other
Cyber Sleuth Kids: Number Line Worksheets
Using a number line has just gotten a little easier for teachers and students in this site from CyberSleuth that contains an assortment of printable number line worksheets. Here you will find blank number lines, number lines with...
Mocomi & Anibrain Digital Technologies
Mocomi: Addition and Subtraction of Integers
Explores the commutative, associative, and distributive properties of integers, and rules for adding and subtracting them.
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.
Other
Mathsframe: Sequences
Students can solve number sequences and skip count with positive and negative whole numbers and decimals.
Khan Academy
Khan Academy: Signs of Expressions
Practice finding the signs of the answers to multiplication and division problems with positive and negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Texas Instruments
Texas Instruments: Finding the Maximum Product
In this activity, students use the CellSheet Application to organize data. They solve a problem of finding two positive integers equal to or greater than zero with a given sum and the maximum product.
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.
ABCya
Ab Cya: Zero Sum
Welcome to Zero Sum, a fun math-puzzle game! Drag the tiles over the target numbers to reduce their values to zero. Be careful to make sure that none of the target numbers get reduced below zero. If you get stuck, use the reset button to...
Channel 4 Learning
Channel 4 Maths: Mathszone
Can you help Ben and Mai escape their captors and foil the robbers' getaway plan? Test your mathematical aptitude in this captivating, interactive, adventure game that uses a PDA/calculator to solve math clues. Students will activate...
Khan Academy
Khan Academy: Exponents With Integer Bases
Practice raising positive and negative numbers (integers only) to whole number powers. Watch out for mischievous negative signs that aren't really part of the base! Students receive immediate feedback and have the opportunity to try...
Virtual Nerd
Virtual Nerd: Recognize Opposite Signs of Numbers
Use the number line to recognize the opposite of a number.
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
Arcademics
Arcademics: Integer Warp
Idenitfy the correct answer based upon the given integer multiplication problem.
Pew Research Center
Pew Research Center: Stories From Experts About the Impact of Digital Life
While many technology experts and scholars have concerns about the social, political, and economic fallout from the spread of digital activities, they also tend to report that their own experience of digital life has been positive. This...
Knowledge Share
Super Kids: Super Kids Math Worksheet Creator: Comparing Values
Create your own math facts from SuperKids.com worksheets for comparing values. Problems can include calculations using positive and negative numbers, and two-digit decimal values. The user inputs the maximum and minimum values of the...
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.
Cool Math
Coolmath: Finding the Opposite of a Number
This prealgebra lesson gives you practice on finding opposite numbers.
Texas Instruments
Texas Instruments: Numb3 Rs: How Reliable Is the Test?
Based off of the hit television show NUMB3RS, this lesson shows students how conditional probability can be used in the real world and can, in fact, impact them. The lesson is framed around drug users and drug tests (namely, steroids)....
Purple Math
Purplemath: Solving Inequalities: An Overview
A discussion on how to solve linear and nonlinear inequalities is presented. Both the Test Method and the Factor Method of checking positive/negative intervals are included as part of the discussion.
CK-12 Foundation
Ck 12: Algebra: Absolute Value Equations
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve absolute value equations and interpret the solution. Students can watch a video tutorial, explore guided notes and attempt practice...
Khan Academy
Khan Academy: Absolute Value of Complex Numbers
Given a complex number in the form a+bi, find its absolute value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. HSN.CN.B.4