ClassFlow
Class Flow: Multiply and Divide by 100
[Free Registration/Login Required] These pages provide opportunities to practice multiplying and dividing positive integers up to 10,000.
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...
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Math Medics
S.o.s. Math: Simple Fractions
This S.O.S. tutorial gives students a basic review of simple fractions. Follow the tutorial to refresh your skills involving simple fraction manipulations. Each section contains problems with links to the answers.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Reversing the Inequality Symbol
"Dr. Math" responds to a student inquiry of why it is necessary to reverse the inequality sign when multiplying/dividing by a negative value.
PBS
Pbs: Solving Linear Inequalities With Negative Numbers
Solve an inequality that has negative numbers and a variable. This video focuses on using inverse operations to solve for a variable and the importance of flipping the inequality when multiplying or dividing by a negative number.