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Mnemonic: n. A device, such as a formula or rhyme, used as an aid in remembering. Provides a list of Memory aids for math formulas, concepts, operations, and more.

MathDEN assists teachers and students to develop individualized programs. At the same time, MathDEN can also be used very effectively as a collaborative tool. MathDEN's content is geared specifically for students age 12-18

A premier source of classroom tested, Internet-based economic lesson materials for K-12 teachers and their students. Lots of resources to tie into the curriculum.

The rules of the game are simple: each of the nine blocks has to contain all the numbers 1-9 within its squares. Each number can only appear once in a row, column or box. Every puzzle has just one correct solution.

Book/Lesson alignments to the math tools found at Project Interactivate with the Math Thematics text.

Absurd Math is an interactive mathematical problem solving game series. The player proceeds on missions in a strange world where the ultimate power consists of mathematical skill and knowledge.

Want to learn how to quickly square a number that ends in 5? Or how to tell if a number is divisible by 3? Or maybe you'd like to know why the number 153 in the Bible is such an interesting number? That's the kind of fun and fascinating math tricks and trivia you'll find here at CuriousMath.com.

Intereactive, multimedia program for grades 7, 8 and 9 that links math with careers. Videos take students behind the scenes in companies and give students an opportunity to do the math-based tasks that are done by professionals on the job.

After researching place value and numeration systems, students create a base-4 numeration system for a primitive alien tribe.

This web-based unit will introduce students to strategies and real-life practice activities for applying problem-solving skills. Students will investigate real problems through a variety of websites and group activities.

Try this animated, interactive testing and learning math site. Compare your math and science performance against students worldwide! Find learning tools to help get you smarter!

In collaboration with Intel and The Mathematical Association, the Mathematical Toolkit and Number line have been designed specifically to support the teaching and learning of mathematics for

Many cultural designs are based on mathematical principles. This software will help students learn standards-based mathematics as they simulate the original artifacts, and develop their own creations.

Interactive Math tools for grades for K-12. Accompanied by lesson plans and NCTM standards

This activity can be used to:recognize and explore the properties of tessellations, identify and examine symmetry in geometric figures,describe, and classify polygons, examine the role of mathematics in society and nature

The first player starts by moving one or more blue markers along the tracks, either forward or backward, so that the positive and negative distances moved by all markers add to the amount shown in the fraction box.

An investigation involving fractions and decimals. Teacher instruction required first.

The Award Ceremony involves ordering numbers; highest to lowest or lowest to highest. Includes decimals

Game: Can you match the fractions and decimals pairs?

Try this...not as easy as it looks! What's your strategy??

You must follow the rules to get through the maze. Choose easy, medium, hard. Improve your mental math addition and subtraction problem-solving with this game! Demonstrate with projector for whole class in lower grades.