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Lesson Plan
Curated OER

Playing the LCM Game

For Teachers 5th - 8th
Students practice finding the least common multiple of two numbers.  In this practice finding the least common multiple of two numbers lesson, students play head-to-head against their classmates.  Students play a version of 'slap jack'...
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Unit Plan
National Security Agency

Fraction Fever

For Teachers 4th - 5th Standards
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,...
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Lesson Plan
Curated OER

Finding The LCM

For Teachers 4th - 8th
Students 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. 
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Worksheet
Curated OER

Least Common Multiple

For Students 4th - 6th
In this least common multiple practice worksheet, students apply their problem solving skills to identify the multiples of the 4 given numbers and identify the least common multiple of 1 pair of numbers.
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Worksheet
Curated OER

Least Common Multiple

For Students 6th
In this least common multiple worksheet, 6th graders list multiples of numbers 2 through 5 and then find the least common multiple of 2 of the numbers. Students complete 5 problems.
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Worksheet
Curated OER

LCD of Expressions

For Students 11th
In this algebra worksheet, 11th graders solve rational expression by converting the denominators to the same unit using the least common denominator and multiplication. There are 13 problems.
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Interactive
2
2
Scholastic

Study Jams! Add & Subtract with Common Denominators

For Students 3rd - 6th Standards
RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...
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Worksheet
Curated OER

Least Common Multiple

For Students 7th - 8th
In this pre-algebra activity, learners solve 26 problems in order to find the least common multiple of the two numbers.                                          
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Activity
101 Questions

Shipping Routes

For Teachers 6th - 8th Standards
The product of the hard work is learning. Scholars use a simulation tool to collect information to analyze. They must decide when two ships traveling back and forth across a river at different rates will meet on the same side. The intent...
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Worksheet
Curated OER

LCM-Factor Trees

For Students 4th - 6th
In this LCM worksheet, students use work space provided to create factor trees and find the LCM of sets of numbers. Answers are included on page 2.
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Worksheet
Curated OER

LCM of 3 Numbers: Factor Trees

For Students 5th - 8th
For this lowest common multiples worksheet, students create factor trees to find the lowest common multiple of 3 numbers. Students complete 4 problems.
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Printables
1
1
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Common denominator, invert, and terminating decimal are only a few terms found in a set of math vocabulary math cards. Made up of 40 cards, the set reinforces terms with boldly printed word cards, and definition cards offering an example...
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Assessment
CCSS Math Activities

Smarter Balanced Sample Items: 6th Grade Math – Target C

For Teachers 6th Standards
Are you looking for review questions before standardized testing? Grade 6 Claim 1 Item Slide Show offers nine questions covering a variety of topics using decimals, factors, and multiples. With separate slides for answers, using the...
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Printables
1
1
Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
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...
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Lesson Plan
Curated OER

Fractions in Action

For Teachers 4th - 6th
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.
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Worksheet
Curated OER

Primes and Prime Factors

For Students 8th
For this primes and prime factors worksheet, 8th graders solve 21 different problems to include identifying each number as prime, composite, or neither prime nor composite and listing all the primes less than 200. Then they complete each...
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Lesson Plan
Curated OER

Paper Pool

For Teachers 7th - 8th
Students explore ratio and proportion, GCF, and LCM.  In this middle school mathematics lesson plan, students play an interactive Paper Pool game that provides an opportunity to increase their understanding or ratio, proportion, GCF, and...
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Worksheet
Curated OER

Addition and Subtraction of Rational Expressions

For Students 9th
In this rational expressions worksheet, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an equation....
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Worksheet
Curated OER

A Problem in Satellite Synchrony

For Students 8th - 10th
In this satellite synchrony worksheet, students use a spreadsheet or Least Common Multiples to solve 4 problems related to the satellite orbits, orbital periods and their synchronicity. Students determine when the satellites launched in...
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Worksheet
Curated OER

Number Sense and Operations

For Students 8th - 9th
In this number sense and operations worksheet, students solve 15 different problems that include number lines and identifying various types of numbers. First, they solve a given equation and then check their work. Then, students find the...
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Worksheet
Curated OER

Factors

For Students 7th - 9th
For this factors worksheet, students identify factors of given numbers. They identify prime numbers and name the least common multiple. This two-page worksheet contains 24 problems. This worksheet is designed to be completed mentally.
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Worksheet
Curated OER

Factoring

For Students 6th - 8th
In this math learning exercise, students complete problems involving factoring. In the first section, they find all factors of a number. Students find the least common multiple and the greatest common factors. This is a learning exercise...
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eBook
CK-12 Foundation

CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
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Worksheet
Curated OER

Solving Rational Equations

For Students 9th - 11th
For this rational equations worksheet, students identify the least common multiple and solve rational equations. This two-page worksheet contains 18 problems.