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41 reviewed resources for greatest common divisor

Lesson Planet

Greatest Common Divisor and Least Common Multiple

For Teachers 8th - 12th Standards
Students solve problems using the GCD and LCM. In this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
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Greatest Common Divisor

For Students 9th - 10th
In this greatest common divisor worksheet, students use prime factorization to determine the greatest common factors of two or more numbers. Explanations and examples are provided. This two-page worksheet contains ten problems.
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Euclidean Algorithm

For Teachers 9th - 12th
Students are introduced to the concept of a Greatest Common Divisor. They review the number systems. Students are told how the entire field of Number Theory primarily uses the integers. They are told the Fundamental Theorem of Algebra.
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Worksheet Two: Partial Fraction Expansion

For Students Higher Ed
In this partial fraction expansion worksheet, students find the partial fraction expansion of a rational expression. They determine the sum of numbers in a sequence, identify the greatest common divisor and least common multiple of a...
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Greatest Common Divisor

For Students 5th - 6th
In this math worksheet, students learn to find the greatest common divisor of two numbers. Students read and study the information and examples before solving 10 problems.
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Introduction to Ratios

For Students 7th - 9th
Demonstrating the concept of ratios with several simple examples (animals, fruit, girls and boys in class), Sal guides viewers through the process of finding and simplifying ratios. Even those who have a hard time grasping the concept of...
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Greatest Common Divisor Meets Least Common Multiple

For Students 5th - 6th
For this math worksheet, students complete a chart by filling in the greatest common divisor and least common multiple of five numbers. Students look for a pattern.
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Greatest Common Factors

For Students 8th - 10th
In this algebra worksheet, students solve problems using the GCF. They factor out the common variables and simplify the equations. There are 8 questions with an answer key.
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Common Factors and GCF

For Students 4th - 7th
In this factors worksheet, students learn about common factors and greatest common factors. They then solve 3 questions in which they list the factors of each number and find the greatest common factor for each set of numbers.
1 In 1 Collection
EngageNY

The Euclidean Algorithm as an Application of the Long Division Algorithm

For Students 6th Standards
Individuals learn to apply the Euclidean algorithm to find the greatest common factor of two numbers. Additionally, the lesson connects greatest common factor to the largest square that can be drawn in a rectangle.
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Factors for Grade 6: HCF, GCD and GCF

For Students 6th
In this factors for grade 6: HCF, GCD, and GCF worksheet, 6th graders answer 10 multiple choice questions, about factors and divisors, with answers available online.
1 In 1 Collection
Lesson Planet

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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It's Greek to Me

For Teachers 9th - 11th
Students explore Euclid's method of finding  the GCF of large numbers.  In this algebra instructional activity, students investigate how Euclid's method works by using the integer divide function on the TI-73.
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Divisors = Factors 1

For Students 4th
In this mathematics worksheet, 4th graders fill in the chart with the factors divisible by each number. Then they study the charts and respond to the five word problems that follow. Students also find as many common factors of the given...
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Oliver's Method

For Teachers 8th - 10th
Students differentiate between GCF and LCM. In this math lesson, students discover the relationship between LCM and GCF and relate it to Oliver's method. They incorporate the TI into this activity.
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Just Passing Through

For Students 6th - 8th
Students use square grid paper to establish a pattern in this activity about rectangular arrays. By completing a chart with rectangular dimensions provided, students can solve for the greatest common divisor of the length and width....
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A Plea for Pure Mathematics

For Teachers 9th - 12th
Students explore the concept of GCD and LCM.  In this GCD and LCM lesson, students use a CAS program on their graphing calculator to determine the LCD and GCD of polynomials and large numbers.  Students use the GCD function to determine...
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Paper Pool: Analyzing Numeric and Geometric Patterns

For Teachers 6th - 8th
Students play a pool game to better explain ratio, proportion, greatest common divisor, and least common multiple.
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Least Common Multiple

For Students 8th - 10th
In this least common multiple worksheet, learners write numbers as a product of primes to determine the least common multiple. Explanations and examples are provided. This two-page worksheet contains ten problems.
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Greastest Common Factor

For Teachers 9th
Ninth graders explore the greatest common factor.  In this Algebra I instructional activity, 9th graders investigate the greatest common factor or the greatest common divisor by using the GCD function of a graphing calculator. 
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Here's Looking at Euclid

For Teachers 9th - 12th
Young scholars explore the concept of GCD and LCM. In this GCD and LCM instructional activity, students determine the GCD and LCM of pairs of integers of two or fewer digits, three or more digits, and express a positive integer as a...
1 In 1 Collection
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Unit 1 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Reinforce math vocabulary with a set of 52 flash cards. Two types of cards make a set; a word card printed in bold lettering, and a definition card equipped with a labeled example. Terms include algebraic expression, prime number,...
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Euclid's Algorithm

For Students 5th - 6th
In this math worksheet, students read about Euclid's Algorithm to find the greatest common divisor. Students use this algorithm to solve ten related questions.
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Factoring and Simplifying Polynomials

For Teachers 9th - 11th
Students factor and simplify polynomials. In this algebra lesson, students factor polynomials by monomials. They use complete the square, GCF and special patterns to factor polynomials.