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.
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.
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.
Other
Mathsframe: Sequences
Students can solve number sequences and skip count with positive and negative whole numbers and decimals.
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...
PBS
Pbs: The Number Line: Rational Numbers and Football
In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown....
Khan Academy
Khan Academy: Ordering Rational Numbers
Practice putting positive and negative fractions and decimals in order. For example, -12/4, -2.5, and 3.25. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
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.
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.
OER Commons
Oer Commons: Reviewing the Properties of Multiplication
Seventh graders use properties of multiplication to prove that the product of any two negative numbers is positive and the product of a positive number and a negative number is negative.
Texas Education Agency
Texas Gateway: Comparing and Ordering Rational Numbers
Given a problem situation, the student will compare and order integers, percents, positive and negative fractions and decimals with or without a calculator.
Calculator Soup
Calculator Soup: Factoring Calculator
The factoring calculator finds the factors and factor pairs of a positive or negative number. Enter an integer number to find its factors.
Math Words
Math Words: Rational Numbers
Mathwords provides a brief description with an easy to read chart that includes all types of real numbers.
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...
Khan Academy
Khan Academy: Number Equations & Number Lines
Practice writing addition and subtraction equations to match number line diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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...
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...
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.
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.