Math Planet
Math Planet: Algebra 1: Integers and Rational Numbers
Provides an example and a video lesson that illustrates integers and rational numbers.
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.
Math Aids
Math Aids: Integers Worksheets
Great resource to practice and strengthen math skills pertaining to integers. Math worksheets are printable, may be customized, and include answer keys.
PBS
Pbs: Multiplying and Dividing With Negatives
Deepen your understanding of multiplication and division of rational numbers. This interactive exercise focuses on the rules for finding the products and quotients of positive numbers, negative numbers, and fractions and then finding the...
AAA Math
Aaa Math: Comparing Integers
Students practice comparing integers with absolute values. The resource has learners determine if the first integer is more than, the same as, or less than the second integer.
Alabama Learning Exchange
Alex: "Integers, Less Than Zero"
A hands-on lesson demonstrating integers using the book, LESS THAN ZERO by Stuart J. Murphy
Cool Math
Coolmath: Subtraction of Signed Numbers
Reference material and practice with integer subtraction.
Cool Math
Coolmath: Coolmath4kids: Orbit Integers
Add positive and negative numbers in this multiplayer space race!
University of Saskatchewan (Canada)
University of Saskatchewan: Decimal Expansions
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with an online tutorial on decimal expansions. It begins with a focus on decimal representation of real numbers, followed by how this...
Texas Instruments
Texas Instruments: Exploring Quadrilaterals With Cabri Jr.
Students can use Cabri Jr. software on their TI-83/84 calculator to connect consecutive midpoints of different quadrilaterals and analyze and determine characteristics of the new quadrilateral formed.
Mathigon
Mathigon: Real, Irrational, Imaginary Numbers
Explore this course in imaginary and complex numbers including topics of integers, real numbers, infinity, transcendental numbers, imaginary and complex numbers.
Math Open Reference
Math Open Reference: Negative Numbers
Learn about negative numbers with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
University of Texas at Austin
Tex's French Grammar: Subjunctive Usage Doubt
This site from Tex's French Grammar explains use of the subjunctive with expressions of doubt and uncertainty, interrogatives and negatives, relative clauses that express uncertainty and superlatives. Provides usage examples, dialogues...
Cuemath
Cuemath: Number Line
A comprehensive guide for learning all about number lines with definitions, uses of number lines, solved examples, and practice questions.
National Council of Teachers of Mathematics
Nctm: Illuminations: Volt Meter
As you put the different type of batteries on the volt meter pay attention to the voltage equations in the table. See how positive and negative numbers interact.
State Library-Florida
Florida Memory: Daguerreotype to Digital: Brief History of Photography
Online history of the photographic process arranged by type and time period.
Purple Math
Purplemath: Induction Proofs: Introduction
Purplemath gives a thorough explanation of proof by induction. The lesson explains, then works through several examples for the reader.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Comparing Temperatures
This task has students do computations with positive and negative numbers in the context of temperature. Aligns with 6.NS.C.7.b.
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...
Ducksters
Ducksters: Kids Math: Types of Numbers Glossary and Terms
Math glossary and terms on Types of Numbers for kids. Learn the definitions used in this mathematics subject such as whole numbers, real numbers, and integers.
Calculator Soup
Calculator Soup: Mixed Numbers Calculator
Do math calculations with mixed numbers (mixed fractions) performing operations on fractions, whole numbers, integers, mixed numbers, mixed fractions, and improper fractions. This calculator can add, subtract, multiply and divide mixed...
University of Cambridge
University of Cambridge: Maths and Sports: Swimming Pool
We're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water? This activity uses the familiar environment of a swimming pool to introduce...
Utah Education Network
Uen: Equivalent Expressions
This multi-segment lesson plan uses games and calculators to explore the concept of equivalent expressions. Students work together using inverse operations to isolate variables in algebraic equations. It also provides attachments for...
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