Curated OER
Solving Rational Equations
In this rational equations worksheet, students solve rational equations. They find the least common multiple for given complex fractions. This two-page worksheet contains 18 problems. An example is provided at the beginning of the...
Curated OER
Planetary Alignments
In this planetary alignments activity, students use 2 different methods to find out when planet alignments will occur. They use a three number series and they use least common multiples to find out when Mercury and Venus will align.
Curated OER
Factors, Prime Factorization, Multiples
Seventh graders examine Prime Factorizations, Multiples, and Factors. In this prime number, factorization, and multiples activity, 7th graders identify greatest common factors and least common multiples. Students use problem solving...
Curated OER
Common Multiples
Middle schoolers discover the concept of common multiples in numbers by completing a worksheet. For this number identification lesson, students investigate ways to find multiples of numbers and specifically identify the lowest common...
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...
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.
Curated OER
Finding LCM
In this LCM worksheet, students read several paragraphs on finding LCM in various situations, then solve 25 problems.
Curated OER
More Factors and Multiples Pre-Test
In this factorization pre-test worksheet, students solve ten multiple choice questions by finding the least common multiple. This is an interactive worksheet.
Curated OER
Least Common Multiple
For this math worksheet, students learn to find the least common multiple of two or more numbers. Students read the one page of information and examples before solving 10 problems.
Curated OER
Mighty Multiples
In this math learning exercise, 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.
Curated OER
Lowest Common Denominator Worksheet
In this fractions learning exercise, students follow the steps to finding the lowest common denominator, filling in the answers to the prompts for each step.
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.
Utah Education Network (UEN)
Fluency
Become fluent in the language of mathematics. Scholars learn to divide multi-digit whole numbers as well as see how to determine the greatest common factor and least common multiple. They also investigate how to apply the distributive...
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
Highest Common Factor and Lowest Common Multiple
In this factors and multiples worksheet, students solve 50 problems in which the greatest common factor (GCF) and the lowest common multiple (LCM) are calculated. This page is intended for online use but may be completed on paper.
Illustrative Mathematics
Listing Fractions in Increasing Size
Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...
EngageNY
End-of-Module Assessment Task: Grade 6 Math Module 2
Give learners a chance to shine. The last installment of a 21-part series is an end-of-module assessment. Scholars show their understanding of operations with decimals and division of fractions by solving problems in the context of a...
Curated OER
Finding LCM
In this finding LCM activity, students read a substantial amount of information about finding LCM for numbers, then complete 20 problems using the information given.
Curated OER
Math Review
In this algebra worksheet, learners review least common multiples and word problems. There are 10 interactive questions with an answer key.
Curated OER
Adding Fractions with Unlike Denominators
Pupils practice solving addition problems of fractions with unlike denominators and discover how to apply the lowest common multiple to solve problems. After completing practice problems, they review least common multiple and apply it...
Mrs. Glosser's Math Goodies
Number Theory Worksheet 3
A nine-row data table has novice number crunchers fill in columns for the greatest common factor, least common multiple, product of the two, and product of numbers. The pairs of numbers to work with are all single- and double-digit...
Curated OER
Number Theory Practice
In this number theory worksheet, learners complete a total of 13 problems, finding multiples, LCM and solving 1 word problem.
Curated OER
Lesson 56
Sixth graders practice Least Common Multiple in fractions. For this fraction lesson, 6th graders look at two different fractions and find a common denominator. They sing a song to memorize mean, median, and mode.
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...