Curated OER
Least Common Multiple or Least Common Denominator
Fifth and sixth graders solve 12 math problems by finding the least common multiple or least common denominator. They type the answer into the text box.
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
Adding and Subtracting Fractions (With Unlike Denominators)
For this math worksheet, students subtract and add fractions with unlike denominators. Students solve the problem in steps. They are given examples of how to solve the problems.
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.
CK-12 Foundation
Greatest Common Factor Using Factor Trees
Beginning with a description that sets the stage, learners are asked to break down the numbers 42 and 63 to find the greatest common denominator using factor trees. As they work through the factoring process, young mathematicians are...
Curated OER
Subtracting Mixed Numbers
In this math instructional activity, students subtract mixed numbers. Students find common denominators. They subtract the fractions and whole numbers.
Scholastic
Study Jams! Compare Fractions & Mixed Numbers
Follow along with RJ from the Study Jams! crew as he walks step-by-step through the process for comparing fractions with unlike denominators. Starting with finding the least common denominator, the presentation goes on to demonstrate how...
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...
Curated OER
TAKS Math Quiz-LCD
In this TAKS math quiz worksheet, students take an online quiz focused on finding the least common denominator. Quiz can be graded online by clicking a link.
Scholastic
Study Jams! Equivalent Fractions
Submarine sandwiches not only taste good, they also make for great math models. Follow along as Zoe explains how to calculate equivalent fractions, while cutting up a sandwich for herself and her friend. She demonstrates the process...
Curated OER
Relating GCF and LCM for Grade Six
In this relating GCF and LCM for Grade Six worksheet, 6th graders answer ten multiple choice questions about factors and multiples, with answers available onscreen.
Curated OER
The Pill Problem involving LCM
In this problem solving learning exercise, students find the next day that two events will both happen given the clues provided. The solution to the problem is given at the bottom of the page.
Scholastic
Study Jams! Order Fractions & Decimals
Going from fraction to decimal and decimal to fraction shouldn't be a chore, but an easy step for young mathematicians to do within problems. This interactive lesson shows how long division can change any fraction to a decimal. Started...
Curated OER
The Method of Integration by Partial Fractions
In this calculus worksheet, students solve problems using integration by partial fractions. They add fractions to get a common denominator, then take the derivative. There are 20 questions with an answer key.
Curated OER
SAT Grid Practice Test 07
For this practice test worksheet, students solve percent problems, find the probability of given events, determine the median, and find the unit price. This one page worksheet contains ten multi-step problems.
Scholastic
Study Jams! Add & Subtract Mixed Numbers
Adding and subtracting mixed numbers need the same attention that regular fractions do by finding a common denominator. If you plan to use a vertical line-up of the fractions then this video is for you. It just introduces this method, it...
Curated OER
Simplifying Fractions
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.