Illustrative Mathematics
Plastic Building Blocks
Let's build a castle! Dennis and Cody have big plans, but do they have enough blocks between the two of them to accomplish their goal? A great context that requires students to add and compare mixed numbers. Encourage the use of pictures...
Illustrative Mathematics
Mixed Numbers with Unlike Denominators
There is more than one way to add mixed numbers. This activity 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...
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...
Homeschool Math
Homeschool Math: Adding Like Fractions and Mixed Numbers
This lesson teaches how to add like fractions and mixed numbers with like fractional parts using visual models (pies, fraction bars). It includes lots of exercises.
Other
Repaso De Fracciones
In Spanish. A fractions review, including explanations of simplification and mixed fractions. Also offers example problems of the basic operations of fractions.
Teaching Treasures Publications
Teaching Treasures: Year Five Math (Page 3)
An interactive worksheet that focuses on adding and subtracting fractions. The worksheet covers concepts such as mixed numbers, reducing to lowest terms, and changing mixed numbers to improper fractions. Problems are set up horizontally...
Math Is Fun
Math Is Fun: Using Rational Numbers
This site offers simple examples for adding, subtracting, multiplying, and dividing rational numbers. It also provides examples of writing fractions in simplest form and as mixed numbers or improper fractions. Students can test their...