West Contra Costa Unified School District
Lowest Common Multiple through the Grades
The LCM will be your new BFF. Learners review least common multiple and least common denominator applications, mostly on fractions, from middle school. Scholars then see how the LCM can be applied to various types of problems from...
Curated OER
Discovering New Units
Young scholars use Cuisenaire rods to explore common denominators. In this fractions lesson plan, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.
Curated OER
Subtracting Fractions With Unlike Denominators
In this fraction subtraction worksheet, students complete a total of 23 problems, subtracting fractions with unlike denominators. Worksheet gives a reference web site for additional activities.
Curated OER
Adding and Subtracting Fractions/ Mixed Numbers (7)
In this fractions worksheet, students solve 10 problems in which three fractions or mixed numbers with unlike denominators are added or subtracted.
Curated OER
Adding and Subtracting Fractions/ Mixed Numbers (6)
In this fractions worksheet, students solve 10 problems in which three fractions or mixed numbers with unlike denominators are added or subtracted.
Curated OER
Adding and Subtracting Fractions/ Mixed Numbers (5)
In this fractions instructional activity, students solve 10 problems in which three fractions or mixed numbers with unlike denominators are added or subtracted.
Curated OER
Subtracting Fractions
In this subtracting fractions practice worksheet, students solve 5 problems that require them to subtract fractions with like and unlike denominators.
California Education Partners
John's Trip Disneyland
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
Curated OER
Technology Lesson Activity: Fractions
Fifth graders practice using the English measuring system by creating fractions. In this parts of a whole instructional activity, 5th graders combine math key bars to simulate small parts of a bigger item. Students combine...
Curated OER
Subtraction of Mixed Numbers With Unlike Denominators
In this subtraction of mixed numbers with unlike denominators, 6th graders solve eight columns of ten vertical subtraction problems plus two review problems at the end of each column.
PBS
Working with Common Denominators: Activities and Supplemental Materials
Enjoy these straightforward and simple activity pages that practice with different denominators. The practice starts simple with adding fractions together and then works on a recipe that needs to be tripled.
PBS
Working with Common Denominators: Assessments
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice.
Houghton Mifflin Harcourt
Add and Subtract Fractions with Unlike Denominators
Once your math class has mastered the skill of adding and subtracting fractions with uncommon denominators, let them apply it to real-life problems. Six scenarios are presented for them to solve, all involving pizza! A tasty test for...
Curated OER
Arithmetic: Fractions
In this fraction worksheet, students add and subtract fractions with unlike denominators. They multiply and divide fractions. This one-page worksheet is designed for mental math. It contains 30 problems, with answers.
University of Wisconsin
Fraction Rules
Both a reference sheet and skills practice worksheet, this handout on common fraction rules reviews steps for adding, subtracting, multiplying, and dividing fractions. Twenty examples are provided to demonstrate these skills, and...
Curated OER
Simplify the Fraction
In this finding the fractions in simplest form worksheet, students add and subtract fractions with uncommon denominators. Students solve five problems.
Curated OER
Fraction Subtraction Worksheet: Worksheet 1, Level 1
In this fractions worksheet, students solve 12 problems in which simple fractions with unlike denominators are subtracted. There are no examples.
Curated OER
Subtracting Fractions
Students investigate the concept of subtracting fractions. They use a variety of problems in order to practice new skills. The independent practice is used to obtain an informal measurement of mastery with the use of a formal quiz for a...
Curated OER
Fractions: Addition and Subtraction
Seventh graders add and subtract fractions with like and unlike denominators. After discussing the use of fractions in the real world, 7th graders work problems and draw models representing each problem. They observe subtracting...
Curated OER
Adding and Subtracting Fractions/Mixed Numbers (1)
In this math worksheet, students solve 10 problems in which fractions and mixed numbers with unlike denominators are added and subtracted. Every problem has 3 numbers to be both added and subtracted. Denominators are often two digits.
Curated OER
Adding and Subtracting Fractions/ Mixed Numbers (4)
In this fractions activity, students solve 10 problems in which three fractions or mixed numbers with unlike denominators are added.
T. Smith Publishing
Fraction Review Worksheet 1
An answer key is included with this fraction review assignment. In it, fractioniers simplify large fractions, convert mixed numbers to improper fractoins, and change improper fractions into mixed numbers. Though the publisher states that...
Curated OER
Subtracting Fractions With Unlike Denominators
In this math worksheet, students read the information and study the examples on the page to learn how to find the LCD and make equivalent fractions of the same denominator before subtracting. There are 4 problems with step by step...
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.