That Quiz
That Quiz
ThatQuiz is an excellent assessment tool for teachers and students. At this site, teachers can create individualized or group assessments on a variety of math topics. Students take these practice assessments directly online and receive...
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...
Khan Academy
Khan Academy: Signs of Expressions
Practice finding the signs of the answers to multiplication and division problems with positive and negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Ministerio de Educación (Spain)
Ministerio De Educacion: Conecto Con Las Mates
These are five interactive units for Elementary math. Each unit is structured in four parts: explanation, activities, dictionary and assessment.
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.
Khan Academy
Khan Academy: Simplify Hairy Fractions
Practice simplifying complex fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Calculator Soup
Calculator Soup: Fractions Average Calculator
This calculator finds the average of a set of fractions by adding all of the fractions and dividing by the number of fractions in the set. Enter positive or negative fractions, integers and mixed numbers and the calculator converts...
Khan Academy
Khan Academy: Multiplying Negative Numbers Review
Summarizes the rules for multiplying with negative numbers, along with examples, and presents three practice questions.