[Free Registration/Login may be required to access all resource tools.] CK12: Inequalities with Addition and Subtraction of Fractions

[Free Registration/Login Required] On this site, Cornell University mathematics professor, Steven Strogatz, shares his 15-part series of columns on the elements of math. He investigates topics ranging from negative numbers to subtraction...

[Free Registration/Login may be required to access all resource tools.] Students compare the times on two clocks and calculate what time it will be before or after a given time interval, which clock shows an earlier or later time, etc....

Download these free worksheets to sharpen your math skills. These Christmas-themed math worksheets focus on topics such as multiplication, division, addition, subtraction, patterns, counting, ordering, fractions, and word problems.

Download these worksheets to sharpen your subtraction skills. Sheets focus on single and multi-digit subtraction, subtracting across zeros and calculating complements, and subtracting in other base number systems.

Contains plans for four cross-curricular lessons that ask students to write simple addition and subtraction stories after reading a number of models. In addition to objectives and standards, this instructional plan contains links to PDF...

Students will be able to solve subtraction word problems using objects.

Download these free worksheets to sharpen your math skills. These Thanksgiving math worksheets focus on topics including comparing, patterning, addition, subtraction, multiplication, and division.

Download these free worksheets to sharpen your word problem skills. Sheets focus on addition, multiplication, subtraction, division, and other math topics.

AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...

Introduce polynomial operations to your middle school students using the highly engaging story of ?IntelliGum?. This one-of-a-kind gum, when chewed regularly, and in appropriate quantities, will make you smarter. As part of this creative...

Lesson focuses on how and why money circulated within our community. Being able to discern the difference between things we need and things we want is one of the foundational concepts for using money wisely. Goods and services are things...

[Free Registration/Login may be required to access all resource tools.] Understand vector subtraction v - w as v + (-w), where -w is the additive inverse of w, with the same magnitude as w and pointing in the opposite direction....

[Free Registration/Login may be required to access all resource tools.] Sine of a sum or difference related to a set of cosine and sine functions. Here you'll learn to rewrite sine functions with addition or subtraction in their...

Several examples are presented to demonstrate how to factor a polynomial that is a difference of two squares. The online worksheet helps for extra practice.

Subtraction problems can involve shapes, attributes and perimeter.

On this interactive website students practice various math skills using a real life scenario doing Halloween shopping. Those skills include solving money problems with addition and subtraction and understanding the value of money and coins.

Great resource for learning and practicing subtraction. Math worksheets are printable, may be customized, and include answer keys.

A collection of practice math questions from addition to division.

After completing this tutorial, you'll know what a linear equation is and how to solve one using various arithmetic properties. Contains several definitions, problems with step-by-step solutions, and practice exercises. Includes links to...

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.

Match the sum or difference of a problem with the correct integer in this concentration integers game.

Great resource to practice and strengthen math skills pertaining to mixed problems. Math worksheets are printable, may be customized, and include answer keys.

This lesson will give students practice with adding and subtracting money using a calculator. It will provide them an opportunity to determine savings using a store coupon, and determine the change they should recieve when making...