Curated OER
My Test Book: Multiples and Prime Factorization
In this math skills worksheet, students solve 10 multiple choice math problems regarding prime factorization and multiples. Students may view the correct answers.
Curated OER
Least Common Multiple
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory learning exercise. Instructions for this learning exercise include an explanation of both guess and check as...
Willow Tree
Factoring
Build an understanding of factors and use it to write the prime factorization of numbers. After exploring key vocabulary, learners create prime factorization for given numbers. They then use the prime factorizations to determine the...
Curated OER
Prime Factorization, Equivalent Fractions and GCF review
In this sample test worksheet, students solve twenty-five problems covering prime factorization, equivalent fractions, greatest common factor, and plotting on a number line. Solutions are provided.
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
Prime and Composite Number Mini Lab
Elementary schoolers determine the attributes of prime and composite numbers. Pupils, working in pairs, participate in an activity in which they use manipulatives to show the rectangles that can be made from square tiles. They practice...
Curated OER
Prime Factorizations - Post Test
In this prime factorizations worksheet, students complete a set of 10 multiple choice questions. Students may print out the test or click on a link to see answers.
Alabama Learning Exchange
Finding Prime
Fifth and sixth graders explore prime numbers. They work with a partner to build rectangular arrays using twelve tiles. Factor pairs are noted and recorded on graph paper. Pupils construct rectangular arrays with a prime number and...
Curated OER
Number Sense and Numeration: Multiples, Factors and Square Roots
A great resource for any math teacher covering multiples, factors or square roots; this instructional activity walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which...
Curated OER
Factor Tree Worksheet
In this prime factorization worksheet, students use the factor tree method to solve four factorization problems. The numbers go up to the hundreds place.
K12 Reader
Prime or Composite?
Prime numbers? Composite numbers? Prime factorization? After reading a short article about factors and prime and composite numbers, kids answer a series of comprehension questions based on the text.
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
Composite and Prime Numbers
Young math whizzes determine if a number is prime or composite. They use counters to participate in activities that show prime and composite numbers.
Curated OER
Prime Factorize
In this prime factorization worksheet, students prime factorize the nine given numbers on a line. Each number goes to the hundreds place.
Curated OER
Prime Factorize
In this factorization instructional activity, students prime factorize six numbers by using the factor tree method. The numbers given go up to the number 24.
Curated OER
TAKS Math Quiz-Factorization
In this TAKS math quiz learning exercise, students take an online quiz focused on the concept of factorization. Quiz can be graded online by clicking a link.
Math Mammoth
GCF and Simplifying Fractions
For this math worksheet, students find the greatest common factor of 18 pairs of numbers. Given the prime factorization of pairs of numbers students find the greatest common factor. Students simplify fractions and rational expressions.
Curated OER
What Are You - Prime or Composite
Students explore the concept of prime factorization. In this prime factorization activity, students participate in an activity where they find the prime factorization and greatest common factor of a number derived from their name....
Curated OER
Prime Numbers and Factors
Solving factor trees is a helpful way to introduce prime numbers. Your math class practices using this method along with two-column tables to find if a number is prime or not. They also learn other vocabulary, such as composite numbers,...
Curated OER
Multiplying and Dividing Fractions and Mixed Numbers
Upper graders study fraction and mixed number division and also review fraction multiplication. In this fraction and mixed numbers activity, learners work with the teacher in an oral problem solving method to multiply and divide...
Curated OER
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.
Super Teacher Worksheets
Prime and Composite
Factoring is an essential component in algebra, and this instructional activity prepares learners with a quick reference guide and examples. After they find all the factors, they decipher whether the number is prime or composite.
Curated OER
Using Factor Trees
In this math activity, students read about how to create a factor tree. Students use factor trees to determine the prime factors of 16 numbers.
Curated OER
Factor Trees
In this factor trees worksheet, students make factor trees for 2 through 4 digit numbers. Students complete 20 factor trees for these numbers.