Math Cats
Math Cats: Explore the Multiplication Table
Create multiplication fact arrays using this tool. Click a number on the side and then the times symbol. Now click a number along the top and the equals symbol. The array appears in yellow. The answer in digits is shown at the bottom of...
Math Is Fun
Math Is Fun: Broken Calculator
This is a calculator game where you are limited in what keys you can use. You are given a set of numbers and you must key in a sequence of numbers and symbols that results in each number within a given time limit. There are six levels of...
New York Times
New York Times: Crossword Puzzle: Weather
The New York Times Learning Network has developed interactive and printable crossword puzzles. The theme of this one is weather.
Other
Mayan Math
A basic, illustrated description of the math system developed by the Mayans. Includes a paragraph comparing the Mayan system favorably with the Roman numeral system of the same time.
Free Math Help
Free Math Help: Introduction to Algebra
An explanation of algebra and equations that emphasizes how easy it is to learn the basics. The concept of balancing equations is looked at in detail. This page can be used by teachers in lesson planning or by students who seem to be...
ClassFlow
Class Flow: Roman Numerals
[Free Registration/Login Required] A lesson designed to explore the use of Roman numerals and how they are used today. Students learn the symbols and have the opportunity to practice by dragging the symbols to match the given number....
TED Talks
Ted: Ted Ed: Can You Solve the Bridge Riddle?
Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn't so smart either. But now is not the time for regrets because you need to...