Curated OER
Measuring Mixed Numbers
Mixed numbers can be added conceptually, algorithmically, and physically. Have the class visualize mixed numbers by adding fraction bars together. They then discover the algorithmic process that simplifies adding mixed numbers. Finally,...
Curated OER
Adding Mixed Numbers with Unlike Denominators
Seventh graders practice measuring skills as they add mixed fractions. For this fractions lesson, 7th graders measure the distance from their wrist to the tip of their finger, record the measurement, and repeat this procedure with other...
Illustrative Mathematics
Mixed Numbers with Unlike Denominators
There is more than one way to add mixed numbers. This worksheet asks 5th graders to find and record two ways. The purpose is to help pupils realize there are different ways to reach a common solution in math. The two most common ways are...
Curated OER
Fractions and Decimals
Students convert between fractions and decimals. In this algebra lesson, students investigate fractions and differentiate between largest and smallest fractions. They add fractions and decimals using a common denominator.
Curated OER
Fractions
Students solve problems with fractions without using a calculator. In this algebra lesson, students practice reducing, converting, adding, subtracting and multiplying fractions. They apply the use of fractions to the real world.
Illustrative Mathematics
Who is the Tallest?
A simple question, with a not-so-simple answer. Working with whole and mixed number measurements in inches, feet, and yards presents a problem with many possible solutions. A great activity that challenges the minds of young...
Curated OER
Do These Add Up?
Common Core mathematical practices require that young mathematicians not only know how to add fractions with unlike denominators, but also to recognize when adding fractions are appropriate for the word problem. Fifth graders are given...
Curated OER
Buggin' Out (Identifying and Adding Amounts of Money)
Students explore consumer math by participating in estimate exercises. In this currency lesson, students identify and define each piece of U.S. currency and their value to the monetary system. Students complete several money worksheets...
Curated OER
Fraction Fun
Students define properties of fractions and solve for them. In this algebra lesson, students rewrite fractions from mixed numbers to improper fractions. They reduce fractions using the GCF and convert the denominators correctly when...