Math Flix
MathFLIX Challenge: Multiplying and Dividing Fractions
First, math majors compare the multiplication and division of unit fractions and whole numbers. They look for patterns, and then apply their knowledge to an array of multiplication and division problems, all involving fractions and mixed...
Curated OER
Probability: How Likely Am I to...?
Twelfth graders examine various ways probability is applied to daily situations. They use marbles and blocks to calculate the probabilities of picking certain colors. They also calculate the odds of picking a winning raffle ticket.
National Council of Teachers of Mathematics
The Math Forum: Intro to Fractions for Primary Students
This site from the Math Forum is a series of lesson plans with great ideas and an excellent Web site that uses virtual manipulatives with students.
AAA Math
Aaa Math: Changing Improper Fractions to Mixed Numbers
This lesson explains how to change mixed numbers to improper fractions, and includes games to practice this skill.