The 3 R's of Common Denominators

Mix things things up in your elementary math class with a series of problem-solving exercises. Presented with a series of mixed number word problems, young mathematicians are asked to solve them by using either visual fraction models or...

These may not all be your cup of tea, but you'll likely find some gold in this math games packet. Find brief, easy-to-execute games (like Integer Football) and that are perfect for review or even a substitute teacher plan. 

Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...

Young mathematicians demonstrate their ability to subtract mixed numbers by completing this collection of fraction word problems. From figuring out the weight of objects in a package, to finding the difference in height between two...

Do your students have what it takes to be the king of math? Find out with this fun skills practice game that covers a wide range of topics from counting and basic operations to measurement and fractions.

Do not use the easiest but the first. The video shows a method to find a common denominator by finding the least common denominator to add fractions. By listing the multiples of the denominators, learners easily identify the least common...

Find the easiest common denominator. A video demonstrates finding a common denominator to add fractions. Pupils learn how to find a common denominator by using the product of the two denominators. After finding the common denominator,...

RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...

These presentations, designed by Monica Yuskatis, are among the best math PowerPoints you can find. Use this one to lead your pupils through the steps needed to subtract fractions with like denominators, then simplify the answers into...

In this finding the sums and differences of fractions learning exercise, students add and subtract fractions with the same denominators. Students solve 16 problems.