Curated OER
Arithmetic: Fractions
In this fractions instructional activity, learners add positive and negative fractions with unlike denominators. They compute a fractional part of a number. This six-page instructional activity contains approximately 20 problems....
Curated OER
Subtraction of Unlike Fractions
In this math worksheet, students subtract fractions with unlike denominators. Problems are written horizontally; there are no mixed numbers. There are 6 pages available with 20 examples on each.
Curated OER
Subtracting Fractions
In this math activity, students subtract the fractions using unlike denominators. The answers are used for the coded message at the bottom of the page.
Curated OER
Adding Fractions with Unlike Denominators
Students explore why denominators need to match before adding (or subtracting) a fraction. They use unmarked fraction circles and marked fraction bars, to discover a method to add fractions with unlike denominators using equivalent...
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...
National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Curated OER
Discovering New Units
Students 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.
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.
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
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
Subtract Unlike Fractions
In this fraction subtraction worksheet, students show their work in spaces provided, completing a total of 5 subtraction problems. Answers are included on page 2.
Curated OER
Adding Mixed Numbers (Different Denominator)
In this math worksheet, students add the problems with the different denominators in the form of mixed numbers. The answers are also available.
Curated OER
Adding and Subtracting Unlike Fractions
In this math worksheet, students practice find ing the values that are associated with unlike denominators. The operations of addition and subtraction are used.
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
Online Math Learning
Word Problems That Use GFC or LCM
This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.
Curated OER
Cornbread Addition
Fourth graders, after being given a box of cornbread mix, follow the directions to make the cornbread. They utilize measuring cups to mix all the ingredients together and incorporate adding simple fractions while mixing up the cornbread.
Curated OER
Buying and Budgets
Fourth graders add and subtract decimals as they use a table to solve budget based problems.
Curated OER
Fraction Franks
Young scholars review fractions and fractional parts by making a hotdog meal.
Curated OER
Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
Curated OER
Lowest Common Multiple
In this lowest common multiple activity, students find the LCM of 2 digit numbers that don't exceed the number 20. Students complete 10 problems.