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Curated OER
Factor Trees
In this factor trees worksheet, learners make factor trees for 2 through 4 digit numbers. Students complete 20 factor trees for these numbers.
Curated OER
Using Factor Trees
In this math instructional activity, students read about how to create a factor tree. Students use factor trees to determine the prime factors of 16 numbers.
EngageNY
Least Common Multiple and Greatest Common Factor
Find 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...
Curated OER
Using a Factor Tree to Find the GCF
Learners use the example of a factor tree to find the greatest common factor of three numbers in four problems.
Curated OER
LCM: Factor Trees, Numbers Up to 10
Fourth 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.
Math Learning Center
Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors
Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their...
Willow Tree
Factoring Polynomials
Young mathematicians discover trees organize more than just families — they help factor, too. The lesson begins with factor trees and develops slowly to factoring by grouping and special patterns.
Curated OER
GCF by a factor tree
In this greatest common factor instructional activity, students find the greatest common factor of 2 two digit numbers in each problem using factor trees. Students complete 4 problems.
Mathed Up!
HCF, LCM, and Product of Primes
Give the class a prime example of using prime numbers. After reviewing prime factorization of numbers with the video, pupils use their knowledge to determine greatest common factors and least common multiples in the worksheet. The...
Curated OER
Unit 2 Section 2: Prime Factors
In this prime factors worksheet, students make six factor trees. They tell the prime factorization for eight numbers. Students answer three questions regarding the prime factorization of numbers.
Curated OER
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...
Curated OER
Exponents and Prime Factorization
In this exponents and prime factorization practice worksheet, learners sharpen their problem solving skills as they solve six story problems.
Curated OER
LCM-Factor Trees
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.
Helping with Math
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...
Curated OER
Factor Trees and GCF
In this prime factorization and greatest common factor worksheet, middle schoolers use factor trees to find the prime factorization of 8 numbers. They find the GCF of six pairs of numbers.
Curated OER
LCM of 3 Numbers: Factor Trees
For this lowest common multiples worksheet, students create factor trees to find the lowest common multiple of 3 numbers. Students complete 4 problems.
Curated OER
Chapter 2 Review: Prime Factorization
For 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...
UAF Geophysical Institute
System Interactions: The Lorax and the Truffula Tree
If the Lorax were to write a letter, what would he write? Introduce your class to systems and feedback loops through the whimsical stylings of Dr. Seuss. Learners take on the Lorax's point of view to write a letter, among other activities.
Curated OER
Prime Factorization - Practice 7-2
Finding 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.
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Factors and Factorization
In this factors worksheet, students list all factors of given numbers. All numbers are positive and contain two to three digits. This four-page worksheet contains 28 problems. Answers are provided.
Curated OER
Finding Factors
In this finding factors worksheet, students practice finding all the factors of 24 in twenty word equations and then find the prime factorization in ten equations.
Curated OER
Tree-Ring Activity
In this tree ring worksheet, students analyze tree ring samples to determine the age of the tree. They compare them to archived samples and answer questions about the age of the tree and its growth years and abnormal growth years.
Curated OER
Greatest Common Factor
In this GCF worksheet, students fill in missing numbers in factor trees and write the prime factorization to find the greatest common factor. Worksheet includes links to answers and additional worksheets.
Curated OER
Unit 2: Factors
In this factors worksheet, learners identify prime numbers. They use a Sieve of Eratosthenes to identify prime numbers. Students complete factor trees and explore perfect numbers. This factoring unit contains eight...