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18 reviewed resources for gcd

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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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.
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Here's Looking at Euclid

For Teachers 9th - 12th
Students explore the concept of GCD and LCM. In this GCD and LCM lesson, 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 product of prime powers....
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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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Exercise Set: Fractions

For Teachers 4th - 6th
In this fractions worksheet, students complete a total of 58 problems, finding GCD and LCM, changing improper fractions to mixed and evaluating and reducing.
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AT-Home Practice: Number Theory

For Students 4th - 6th
For this number theory worksheet, students complete a set of 22 problems covering GCD, LCM and prime factorization. Students then play a "family fun" game based on LCM. 
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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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Euclidean Algorithm

For Teachers 9th - 12th
Pupils 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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Greatest Common Factor (GCF)

For Students 7th - 9th
In this graphing calculator worksheet, learners demonstrate how to find the GCF of 6, 9 and 15 while answering eleven equations on the lines provided.
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Lease Common Multiple: Graphing Calculator Activity

For Students 5th - 6th
In this math instructional activity, students complete a total of 3 problems using a graphing calculator to find the least common multiples of the given numbers. There are helpful diagrams and instructions. The problems are multi-step.
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Number Theory - Week 12

For Teachers 12th - Higher Ed
In this number theory worksheet, students study integers and their properties. They explore the Fibonacci Sequence and approximate irrational numbers. This two-page worksheet contains eight problems.
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Graphing Calculator Activity - Greatest Common Factor

For Students 6th - 8th
In this math worksheet, students complete a demonstration of how to use a graphing calculator to find the greatest common factor of a set of numbers. They practice the strategy by answering 2 multiple step questions that apply to the use...
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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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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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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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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.
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Greatest Common Factor and Division

For Students 5th - 8th
For this greatest common factor and division worksheet, students answer word problems about the greatest common factor and division of numbers. Students complete 10 multiple choice questions.
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Proposed Problems

For Teachers 11th - Higher Ed
In this math worksheet, students read the information about an isosceles triangle. The ratio of the lengths of two sides is equal. They determine the exact measures of its angles.

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