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Lesson Plan
Curated OER

Factor Trees

For Teachers 4th - 7th
In this factor trees worksheet, students make factor trees for 2 through 4 digit numbers. Students complete 20 factor trees for these numbers.
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Worksheet
Curated OER

Using Factor Trees

For Students 5th - 6th
In this math learning exercise, students read about how to create a factor tree. Students use factor trees to determine the prime factors of 16 numbers.
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Worksheet
Curated OER

Using a Factor Tree to Find the GCF

For Students 4th - 6th
Learners use the example of a factor tree to find the greatest common factor of three numbers in four problems.
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Worksheet
Curated OER

LCM: Factor Trees, Numbers Up to 10

For Students 4th - 5th
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.
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Lesson Plan
EngageNY

Least Common Multiple and Greatest Common Factor

For Students 6th Standards
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...
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Worksheet
Curated OER

Factor Tree Worksheet

For Students 9th - 10th
In this prime factorization worksheet, students use the factor tree method to solve four factorization problems. The numbers go up to the hundreds place.
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Worksheet
Curated OER

GCF by a factor tree

For Students 5th - 9th
In this greatest common factor worksheet, students find the greatest common factor of 2 two digit numbers in each problem using factor trees. Students complete 4 problems.
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Worksheet
Curated OER

Factor Trees: 2 digit numbers

For Students 5th - 10th
in this factors worksheet, students factorize 2 digit numbers by using the factor tree method. Students factorize 4, 2 digit numbers total.
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Activity
Math Learning Center

Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors

For Teachers 5th Standards
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 multiplication...
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Worksheet
Curated OER

Unit 2 Section 2: Prime Factors

For Students 7th - 8th
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.
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Worksheet
Curated OER

Prime Factorize

For Students 5th - 7th
In this factorization worksheet, students prime factorize six numbers by using the factor tree method. The numbers given go up to the number 24.
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Worksheet
Curated OER

Primes and Prime Factors

For Students 8th
In this primes and prime factors instructional activity, 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...
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Worksheet
Helping with Math

Prime Factorization with Factor Trees (2 of 2)

For Students 3rd - 5th Standards
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...
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Worksheet
Curated OER

Make a Factor Tree

For Students 5th - 6th
In 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.
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Worksheet
Curated OER

LCM of 3 Numbers: Factor Trees

For Students 5th - 8th
In this lowest common multiples worksheet, students create factor trees to find the lowest common multiple of 3 numbers. Students complete 4 problems.
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Worksheet
Curated OER

Chapter 2 Review: Prime Factorization

For Students 6th - 8th
In 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...
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Worksheet
Curated OER

Prime Factorization - Practice 7-2

For Students 3rd - 5th
Finding the prime factors of two numbers is the focus of this math worksheet. Learners write the factors to complete 2 factor trees, write the prime factorization for 9 numbers and answer 2 word problems.
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Worksheet
Curated OER

Factors and Factorization

For Students 6th - 8th
For this factors worksheet, learners 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.
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Worksheet
Curated OER

Finding Factors

For Students 6th - 8th
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.
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Worksheet
Curated OER

LCM-Factor Trees

For Students 4th - 6th
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.
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Worksheet
Curated OER

Factor Trees and GCF

For Students 6th - 8th
For this prime factorization and greatest common factor worksheet, students use factor trees to find the prime factorization of 8 numbers. They find the GCF of six pairs of numbers.
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Lesson Plan
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Willow Tree

Factoring Polynomials

For Students 8th - 11th Standards
Young mathematicians discover trees organize more than just families — they help factor, too. The instructional activity begins with factor trees and develops slowly to factoring by grouping and special patterns. 
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Assessment
Mathed Up!

HCF, LCM, and Product of Primes

For Students 6th - 8th Standards
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...
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Worksheet
Curated OER

Prime Factorization

For Students 5th - 8th
In this prime factorization activity, students complete factor trees for 2 digit numbers to find their prime factorization. Students complete 6 problems.