Curated OER
Subtracting Fractions
For this subtracting fractions worksheet, students solve 18 different problems that include subtracting various types of fractions. First, they find the least common multiple of both numbers. Then, students rewrite the fractions as...
Curated OER
Fraction X - Adding Unlike Denominators
Adding fractions with unlike denominators is a difficult process to master. This fine presentation does a terrific job of leading young math whizzes through the steps necessary to perform this calculation. The slides have clear graphics,...
Curated OER
Common denominators
In this common denominators worksheet, students find common denominators for pairs of fractions. Students find common denominators for 4 pairs of fractions.
Curated OER
Finding The LCM
Pupils find the least common multiple. In this LCM lesson, students find the multiples of two numbers. They view which multiples are common between the two numbers and then find the smallest.
Curated OER
Finding the Least Common Multiple
In this math worksheet, young scholars learn to find the least common multiple and rewrite fractions with common denominators. There are step by step directions and 10 problems.
Curated OER
Fractions Lesson 4
As this slide show explains, simplifying a fraction is very similar to finding an equivalent fraction. The process to simplify fractions is fully demonstrated and clearly explained, 15 practice problems are included.
Curated OER
Reduction to Common Denominator
Students compare two fractions with different denominators. In this fractions lesson, students find the least common multiple in order to find a common denominator with two fractions. Once they have a common denominator, they compare the...
Curated OER
Add Fractions (A)
In this mathematics instructional activity, students solve a number of problems by finding and equivalent fraction using the least common denominator in each. Then they add and change to a mixed number when necessary. Students also...
Curated OER
Adding Fractions
It's all here: uncommon denominators, reducing, improper fractions...mathematicians have their hands full as they complete 16 fraction addition problems. There are two examples showing them the steps required, and each problem guides...
Curated OER
Mighty Multiples
In this math worksheet, students list the first 8 multiples of 8 numbers and identify the least common multiple for 5 pairs of factors. Students also find the lowest common denominator for 15 sets of fractions.
Houghton Mifflin Harcourt
Unit 4 Math Vocabulary Cards (Grade 5)
Common denominators, factors, and rounding are a few of the terms in a set of flash cards designed to reinforce math vocabulary. Forty-two cards offer a bold-faced vocabulary word or a corresponding definition alongside an example with...
Math Centre
Fractions: Adding and Subtracting
Young mathematicians piece together the puzzle of fractions. Starting with the addition and subtraction of fractions with like denominators, this series of example problems and skills practice exercises transitions students to working...
Curated OER
Adding and Subtracting Fractions
In this math worksheet, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.
Curated OER
Accelerated Arithmetic-- Find the Lowest Common Denominator
In this math worksheet, students solve 12 problems in which simple fractions with unlike denominators are added. Examples are in a horizontal format with ample room to rewrite with common denominators.
Curated OER
Finding LCM
In this LCM worksheet, students read several paragraphs on finding LCM in various situations, then solve 25 problems.
Curated OER
Add and Subtract with Unlike Denominators
In this adding and subtracting with unlike denominators activity, learners add and subtract fractions with unlike denominators. They complete six problems.
Curated OER
Comparing and Ordering Fractions and Mixed Numbers
In this mathematics worksheet, 5th graders find the least common denominator of each fraction. Then they write equivalent fractions using the LCD and compare the numerators of the new fractions.
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
Adding Fractions: Unlike Denominators
In this adding fractions worksheet, students solve 9 problems in which simple fractions with unlike denominators are added. Students write the equivalent fractions using the LCD before solving.
Curated OER
Factor Fun for Fifth Graders
Fifth graders explore common factors. In this factorization lesson plan, 5th graders discover the greatest common factor among two numbers in a game format. Students build on previous knowledge to determine the greatest common factor.
Curated OER
Fractions in Action
Investigate equivalent fractions with your class. They compare and order fractions. Then they work cooperatively in groups to experiment and problem solve with fractions using a game format. Multiple resources are provided.
Scholastic
Study Jams! Add & Subtract with Unlike Denominators
Your bakers might not realize that they need to know how to add with unlike denominators in order to figure out how much milk they need for a recipe. In order to make brownies and cookies, this lesson teaches how to find a common...
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...
Curated OER
Like Fractions
In this math instructional activity, students read and solve 5 story problems which involve fractions with like denominators. Some of the fractions are expressed in word form.