CK-12 Foundation
Ck 12: Arithmetic:
[Free Registration/Login may be required to access all resource tools.] Learn how to add integers.
CK-12 Foundation
Ck 12: Arithmetic:
[Free Registration/Login may be required to access all resource tools.] Learn how to add integers.
Arcademics
Arcademics: Spider Math
Explore intergers by determing which two integers make the given answer.
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson plan is for students to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson plan will be related to the 300 Spartans who battled the invading Persians at the Battle of...
Alabama Learning Exchange
Alex: "Integers, Less Than Zero"
A hands-on lesson demonstrating integers using the book, LESS THAN ZERO by Stuart J. Murphy
Better Lesson
Better Lesson: Adding and Subtracting Integers With Counters
What are opposites and what happens when you add them together? Students work with counters to model adding and subtracting integers.
Calculator Soup
Calculator Soup: Math Equation Solver
Solve math problems using order of operations like PEMDAS, BEDMAS and BODMAS. This calculator solves math equations that add, subtract, multiply and divide positive and negative numbers and exponential numbers. You can also include...
ClassFlow
Class Flow: Pre Algebra Problem Solving
[Free Registration/Login Required] This flipchart contains manipulatives for creating addition and subtraction problems using positive and negative numbers. There is an example problem which teachers can use to help design their own...
ClassFlow
Class Flow: Fraction Decimal Equivalent
[Free Registration/Login Required] The teacher will use this lesson plan to identify and represent on a number line decimals, fractions, mixed numbers, positive and negative integers.
University of Groningen
American History: Essays: The Iron Horse: What Was Impact of the Railroads?
From a lengthy essay on the history of the railroad in the United States. This section describes the positive economic benefits the construction of the railroads provided to the developing nation as a whole, and the negative impact it...
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.
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.
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.
ClassFlow
Class Flow: Always, Sometimes, Never
[Free Registration/Login Required] In this lesson, students will be given ten statements. Using the Activotes, they are to choose whether each statement is always true, sometimes true, or never true.
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.
University of Cambridge
University of Cambridge: Nrich: Coordinate Cunning
Play this game for two and learn how to graph ordered pairs on the coordinate plane at this one page website. You will know right away if you have the correct coordinates.
Illustrative Mathematics
Illustrative Mathematics: A Rei Radical Equations
The purpose of the task is to show students a situation where squaring both sides of an equation can result in an equation with more solutions than the original one, because it is possible to have two unequal numbers whose squares are...
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...
Calculator Soup
Calculator Soup: Ratio Simplifier
Use this calculator to simplify ratios of the form A : B. A or B can be whole numbers, integers, decimal numbers, fractions or mixed numbers. They can be different types, for example, one fraction and one decimal. The ratio values can be...
Calculator Soup
Calculator Soup: Long Multiplication Calculator
Multiplication of positive or negative whole numbers or decimal numbers as the multiplicand and multiplier to calculate the product using long multiplication. The solution shows the work for the Standard Algorithm.
Calculator Soup
Calculator Soup: Long Division Calculator With Decimals
Do long division with decimal numbers and see the work for the calculation step-by-step. Enter positive or negative decimal numbers for divisor and dividend and calculate a quotient answer.
Calculator Soup
Calculator Soup: Fractions Average Calculator
This calculator finds the average of a set of fractions by adding all of the fractions and dividing by the number of fractions in the set. Enter positive or negative fractions, integers and mixed numbers and the calculator converts...