Prime Factorization Teacher Resources
Find Prime Factorization educational ideas and activities
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How Do You Find the Prime Factorization of a Number Using a Tree?
A 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 multiplication of prime factors.
3 mins 6th - 8th Math 8 Views 6 Downloads
Factoring Composite Numbers
Ninth graders work with composite numbers to find their prime factorizations. In this Algebra I lesson plan, 9th graders use factor trees and division to find the prime factors of a number. Students explore the use of prime factors to determine the GCF and LCM.
9th Math 8 Views 41 Downloads
How Do You Find the Greatest Common Factor of Two Numbers Using Prime Factorization?
Here'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 factorization.
2 mins 6th - 8th Math 3 Views 1 Download
Primes and Prime Factors
In 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 of 4 factor trees shown and write the number as the product of prime numbers.
8th Math 19 Views 110 Downloads
Prime and Composite Numbers/Prime Factorization
Fifth graders examine prime and composite numbers and prime factorization. They define prime and composite numbers, view a teacher demonstration, then demonstrate prime factorization using small squares of construction paper.
5th Math 3 Views 50 Downloads
Prime Factorization with Factor Trees (2 of 2)
The 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 learners to factor using the factor tree method.
3rd - 5th Math 7 Views 114 Downloads CCSS: Designed
Transition to algebra
Students recognize the difference between a prime and a composite number. In this prime and composite number lesson, students use a factor tree model to show prime factorization. Students participate in a bingo activity. Students complete a homework worksheet.
9th - 10th Math 3 Views 26 Downloads
Divisibility Rules and Prime Factorization
In this prime factorization and divisibility rules worksheet, students find the prime factorization for numbers and explore the divisibility rules for 2, 3, 4, 5, 6, ,9, and 10 in fifty-one problems. The solutions are not provided.
6th - 9th Math 32 Views 140 Downloads
Factoring is an important math skill, and it's often quite confusing for youngsters. This presentation does a good job of showing the basic skills and vocabulary needed to begin to understand this important process. Prime numbers, composite numbers, and prime factorization are all covered, and there's an ample supply of practice problems for learners to try their hands at.
4th - 5th Math 7 Views 43 Downloads CCSS: Adaptable