Wikimedia
Wikipedia: Pythagorean Triple
This Wikipedia article explains a Pythagorean triple -- the triangle formed by three positive integers. Includes examples and hyperlinked terms.
Mangahigh
Mangahigh: Pinata Fever: Add and Subtract With Negative Numbers
A fast paced game where students add and subtract positive and negative integers quickly so they can smash a pinata. Three levels of play, and instructional help is available as they progress.
Math Words
Math Words: Rational Numbers
Mathwords provides a brief description with an easy to read chart that includes all types of real numbers.
Oswego City School District
Regents Exam Prep Center: Signed Numbers
This tutorial on signed numbers features lesson plans, practice pages, examples, application problems, and interactive work. Teacher resources include overhead manipulatives, card games, a Bingo game, and graphing calculator downloads.
Other
Pep: Hit the Deck: A Collection of Math Games
This is a collection of math games ranging from Kindergarten to the upper elementary grades, using only an ordinary deck of playing cards. There are games covering addition, subtraction, multiplication, division, fractions, percents,...
Alabama Learning Exchange
Alex: Let's Go Fishing for Positive and Negative Integers
This lesson will actively engage students in a fishing tournament that uses ordered pairs to catch fish. As students begin to catch the hidden fish, they will find a relationship between the integers in the ordered pairs. By identifying...
Math Open Reference
Math Open Reference: Prime Number
Learn about prime numbers with this handy reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Cuemath
Cuemath: Integers
The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...
Cuemath
Cuemath: Natural Numbers
We see numbers everywhere around us - measuring the temperature, counting money, telling the time, etc. The numbers that are used for counting objects are called "natural numbers". This article explains the properties of natural numbers...
Wolfram Research
Wolfram Science World: Bernoulli, Jakob (1654 1705)
This site from ScienceWorld provides a brief but factual abstract of Bernoulli's math accomplishments. Links are provided throughout for additional information on related subjects.
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.
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.