Texas Instruments
Texas Instruments: Numb3 Rs: The Art Gallery Problem
Based off of the hit television show NUMB3RS, this lesson introduces students to the Art Gallery Problem, in which cameras must be placed so that the entire area of a floor can be seen. Students use their graphing calculators extensively...
University of Vienna (Austria)
University of Vienna: Number Sets
Interactive assessment (with multiple correct answers) which determines depth of knowledge in rational, natural, and integer numbers.
Common Core Sheets
Common Core Sheets: Expressions & Equations 8.ee.1 Worksheets
Print or create worksheets to assess students' understanding of radicals and integer exponents.
Better Lesson
Better Lesson: What Are Integers?
What are integers? This lesson has students connecting integers with altitude, temperature, and football. These lessons will help students understand integers in multiple contexts. Lesson page includes documents and a video to help...
Learning Wave Communications
Learning Wave: Adding Integers
Using several examples, this resource demonstrates how positive and negative numbers are added while applying them to real world situations.
Help Algebra
Help algebra.com: Positive Integer Exponents
The Product of a Power and Power to a Power laws of exponents are introduced. Examples are included to demonstrate how to simply expressions with these laws.
University of Regina (Canada)
University of Regina: Math Central: Integer Review Competition
This activity reviews the topic of integers.
ClassFlow
Class Flow: Integer Addition and Subtraction
[Free Registration/Login Required] This flipchart is an Activote quiz on addition and subtraction of integers.
Common Core Sheets
Common Core Sheets: Expressions & Equations 8.ee.3 Worksheets
Print or create worksheets to assess students' understanding of radicals and integer exponents.
Alabama Learning Exchange
Alex: Exponents Rule
During this lesson, eighth grade students will be introduced to the properties of integer exponents (i.e. multiplying powers, dividing powers, raising a power to a power). The students will view a slideshow presentation that will...
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.
Cut the Knot
Cut the Knot: The Floor Function
This site explains the floor function [x] notation (also known as the greatest integer function). The site contains several examples and graphs to help understand the concept. There is also an advanced exercise using the floor function...
Shmoop University
Shmoop: Basic Operations: Multiplying and Dividing Integers
The mathematics resource explores integer multiplication and division. Students examine the topics through class notes and examples. Practice problems with solutions are available to check for comprehension of the concepts.
Other
The Prime Pages: Floor Function
This site from the University of Tennessee provides a short definition and example of the floor function, also known as the greatest integer function.
Math Medics
S.o.s. Math: Any Integer Can Be Written as a Fraction
Explains how to write any integer as a fraction. Gives examples and exercises to practice this skill.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Integer Exponents
This tutorial will provide you with a definition of exponents and teach you how to simplify exponential expressions via numerous methods, examples, and video explanations. When finished reviewing the examples, complete practice problems...
Mangahigh
Mangahigh: Algebra: Distributive Property, Multiply by an Integer
Mangahigh is a website with math games aimed at twelve to eighteen year olds. On this site students multiply across single parenthesis using a constant.
Alabama Learning Exchange
Alex: Miss Integer Finds Her Properties in Order.
A instructional activity on: Order of Operations, Integers, Numerical Sentences, and Absolute Value.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson is for students to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson will be related to the 300 Spartans who battled the invading Persians at the Battle of Thermopylae,...
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
Students try to connect four game pieces in a row by answering whole number and integer problems. They can choose the difficulty level as well as addition, subtraction, multiplication, or division.
University of Vienna (Austria)
University of Vienna: Set of Solutions
Interactive assessment in which the solution set of an equation is found. Combines equation solving skills with set notation, introduces empty sets, intersections, subsets of real numbers (rational, integer, prime, etc.).
Amby Duncan-Carr
Amby: Integers: Operations With Signed Numbers
Amby's Resources offers a tutorial on integers: operations with signed numbers. There are sample problems as well as problems for you to try.
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate and simplify variable expressions involving subtraction and integers
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Counting Rationals and Integer
Math Forum response providing a proof that there are as many rational numbers as integers.
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