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\n\"Using\n\n
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\nCurated OER\n
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\nUsing Factor Trees\n

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\n\nFor Students\n\n5th - 6th\n
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\nIn this math activity, students read about how to create a factor tree. Students use factor trees to determine the prime factors of 16 numbers.\n
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\n\"Factor\n\n
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\nCurated OER\n
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\nFactor Trees\n

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\n\nFor Teachers\n\n4th - 7th\n
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\nIn this factor trees worksheet, students make factor trees for 2 through 4 digit numbers. Students complete 20 factor trees for these numbers.\n
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\n\"Using\n\n
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\nCurated OER\n
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\nUsing a Factor Tree to Find the GCF\n

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\n\nFor Students\n\n4th - 6th\n
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\nLearners use the example of a factor tree to find the greatest common factor of three numbers in four problems.\n
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\n\"LCM:\n\n
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\nCurated OER\n
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\nLCM: Factor Trees, Numbers Up to 10\n

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\n\nFor Students\n\n4th - 5th\n
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\nFourth and fifth graders complete factor trees to find the lowest common multiple out of the two numbers given up to the number 10. Students complete four problems.\n
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\n\"Factor\n\n
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\nCurated OER\n
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\nFactor Tree Worksheet\n

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\n\nFor Students\n\n9th - 10th\n
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\nIn this prime factorization worksheet, students use the factor tree method to solve four factorization problems. The numbers go up to the hundreds place.\n
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Interactive
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\n\"Greatest\n\n
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\nCK-12 Foundation\n
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\nGreatest Common Factor Using Factor Trees\n

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\n\nFor Students\n\n6th\n\nStandards\n
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\nBeginning 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...\n
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Instructional Video2:33
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\n\"How\n\n
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\nCurated OER\n
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\nHow Do You Find the Prime Factorization of a Number Using a Tree?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nA factor tree? What's a factor tree? A tree of factors? A factor tree is a method use to do the prime factorization of an integer. It's not complicated. Watch the teacher as she explains the steps and shows how to write the answer as a...\n
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Instructional Video6:03
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\n\"How\n\n
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\nMath Playground\n
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\nHow Do You Find GCF and LCM?\n

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\n\nFor Teachers\n\n4th - 5th\n\nStandards\n
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\nUsing the numbers 225 and 270, the narrator explains how to find the greatest common factor and the least common multiple. This presentation could be used in conjunction with other videos in a series exploring how to identify prime...\n
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Interactive
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\n\"Study\n\n
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\nStudy Jams! Prime Factorization\n

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\n\nFor Students\n\n4th - 6th\n\nStandards\n
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\nDeepen the number sense of young mathematicians by exploring the process of prime factorization. Follow along with this step-by-step presentation that explains how factor trees are used to break a composite number down into its prime...\n
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\n\"GCF\n\n
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\nCurated OER\n
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\nGCF by a factor tree\n

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\n\nFor Students\n\n5th - 9th\n
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\nIn this greatest common factor instructional activity, learners find the greatest common factor of 2 two digit numbers in each problem using factor trees. Students complete 4 problems.\n
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\n\"Factor\n\n
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\nFactor Trees: 2 digit numbers\n

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\n\nFor Students\n\n5th - 10th\n
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\nin this factors worksheet, students factorize 2 digit numbers by using the factor tree method. Students factorize 4, 2 digit numbers total.\n
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\n\"Prime\n\n
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\nPrime Factorization with Factor Trees (2 of 2)\n

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\n\nFor Students\n\n3rd - 5th\n\nStandards\n
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\nThe publisher has tagged this resource as designed to meet CCSS.Math,Content.6.NS.4, but it really is only the first step in the process of determining least common multiples and greatest common factors. Six numbers are given for...\n
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\n\"Make\n\n
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\nMake a Factor Tree\n

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\n\nFor Students\n\n5th - 6th\n
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\nIn this factoring worksheet, students solve 9 problems in which a two or three digit number is factored using a factor tree. Each number is in its own box. There are no examples.\n
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\n\"LCM\n\n
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\nCurated OER\n
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\nLCM of 3 Numbers: Factor Trees\n

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\n\nFor Students\n\n5th - 8th\n
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\nIn this lowest common multiples worksheet, learners create factor trees to find the lowest common multiple of 3 numbers. Students complete 4 problems.\n
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Worksheet
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\n\"Chapter\n\n
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\nCurated OER\n
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\nChapter 2 Review: Prime Factorization\n

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\n\nFor Students\n\n6th - 8th\n
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\nIn this prime factorization worksheet, learners find the prime factorization of numbers by using a factor tree. They compare fractions and identify equivalent fractions, and find the greatest common factor, order numbers, and convert...\n
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Instructional Video4:18
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\nHow Do You Find the Least Common Multiple by Multiplying Common Factors?\n

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\n\nFor Teachers\n\n8th - 11th\n
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\nDon't get Least Common Multiple mixed up with Greatest Common Factor, it's easy to do. Use the prime factor tree to find the prime factorization of each of the terms given. This is where it gets tricky figuring out the LCM, so watch this...\n
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Instructional Video2:08
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\n\"Constructing\n\n
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\nConstructing a Factor Tree\n

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\n\nFor Teachers\n\n5th - 8th\n
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\nThe instructor uses a diagram of a tree to work on to show how to do prime factorization. This is a short and to the point video.\n
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\n\"Least\n\n
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\nLeast Common Multiple and Greatest Common Factor\n

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\n\nFor Students\n\n6th\n\nStandards\n
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\nFind the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect...\n
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Instructional Video4:44
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\nPrime Factorization and Product of Primes\n

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\n\nFor Students\n\n3rd - 7th\n\nStandards\n
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\nDemonstrate a method for finding the prime factorization of numbers using factor trees and a video that explains how to break a number down to its prime factors. The instructor reinforces the concept of factors by displaying the...\n
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PPT
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\n\"Factors,\n\n
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\nFactors, Primes, Squares\n

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\n\nFor Teachers\n\n5th - 6th\n
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\nTeach the joys of factoring and introduce prime and square numbers. Upper elementary learners are introduced to these concepts through complete definitions, examples, and practice problems. A variety of strategies, such as factor trees...\n
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PPT
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\n\"Factoring\n\n
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\nFactoring\n

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\n\nFor Teachers\n\n6th - 7th\n
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\nShow how to factor four different numbers using a factor tree. This short slide show defines factoring and then shows how each number 28, 32, 33, and 30 can all be factored. \n
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Worksheet
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\n\"Prime\n\n
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\nPrime Factorization - Practice 7-2\n

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\n\nFor Students\n\n3rd - 5th\n
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\nFinding the prime factors of two numbers is the focus of this math worksheet. Students write the factors to complete 2 factor trees, write the prime factorization for 9 numbers and answer 2 word problems.\n
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Worksheet
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\n\"LCM-Factor\n\n
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\nLCM-Factor Trees\n

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\n\nFor Students\n\n4th - 6th\n
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\nIn 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.\n
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Instructional Video2:15
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\nHow Do You Find the Greatest Common Factor of Two Numbers Using Prime Factorization?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nHere's a quick review on how to use a prime factor tree to find the greatest common factor of two numbers. This is one of the simplest ways to find the greatest common factor. So watch this video to get a refresher on how to do prime...\n
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