Curated OER
Prime Factorization: Finding Factors in the Fifth Grade
The lesson starts out with a brain drain, which is a great way to get students to activate prior knowledge and build lasting connections. They tell everything they know about prime factorization, use their knowledge to...
Curated OER
Find the Factors and Prime Factors
Show the class how to find the factors of numbers. They use a variety of strategies, including unifix cubes, to find the factors of a whole number. This resource includes clear procedure to follow. Included are an anticipatory set,...
K20 LEARN
Prime Time
How many prime numbers are there between 1 and 100? By using a prime time resource, your scholars should be able to answer this question. Using arrays, they determine if numbers are prime or composite, and then write a prime...
Curated OER
Prime Factorization
In these prime factorization worksheets, students make a factor tree of the given numbers and then write the answers using exponential notation. Students then use multiplication to check their factoring work. Students evaluate the...
Curated OER
Mission: Finding the LCM using Prime Factorization
In this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
Curated OER
Prime Factorization
Young scholars work with prime numbers. In this prime factorization lesson, students review writing numbers in their prime factorization form and solve multiple problems.
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
Modeling Prime Factorization
Students model factors using tiles and grid paper. They differentiate between prime and composite factor trees. Students illustrate prime factorization using factor trees. They are given 12 tiles or cut-out paper squares. Students...
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
Prime and Composite Numbers, Prime Factorization
Pupils research prime and composite numbers. With a partner, students use graph paper to draw rectangles of various sizes. They list the dimensions of rectangles and discuss how the dimensions relate to the factors of each number. Pupils...
Curated OER
Time for Prime
Explore prime numbers. Learners use an interactive 100's chart to identify prime numbers, discuss a glossary of terms, use cards to list multiples of 2,3,4,5, and play a bingo game.
Curated OER
Factors, Prime Factorization, Multiples
Seventh graders examine Prime Factorizations, Multiples, and Factors. In this prime number, factorization, and multiples lesson, 7th graders identify greatest common factors and least common multiples. Students use problem solving skills...
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 Factorization
Sixth graders participate in a lesson that focuses on the concept of finding the prime factorization of a number. They write the answer using exponential notation. Students play a game of Bingo to keep engaged during the lesson.
Curated OER
Prime Time
Seventh graders practice determining the prime factorization of composite numbers. They create Christmas factor trees for prime numbers greater than 100. They decorate their final products with markers, crayons, colored pencils, glitter...
Curated OER
What Are You - Prime or Composite
Students explore the concept of prime factorization. In this prime factorization lesson, students participate in an activity where they find the prime factorization and greatest common factor of a number derived from their name. Students...
Curated OER
Applying Prime Factorization
Sixth graders use the prime factorization of numbers to find the greatest common factor and least common multiple. Working in small groups, they solve problems using the greatest common factor and least common multiple.
Curated OER
Prime Factorization
In this math worksheet, students find the solutions to the problems while looking for the prime factors. There is an example at the top of the page.
Curated OER
Prime & Composite Numbers: Algebra/Geometry Institute 2009
Learners create factor trees. In this prime and composite lesson, students model fractions using tiles. They create factor trees and identify prime and composite numbers. Learners use grid paper and tiles to model...
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.
Virginia Department of Education
Factoring
Uncover the relationship between factoring quadratics and higher degree polynomials. Learners develop their factoring skills through repetition. A comprehensive lesson begins with quadratics and shows how to use the same patterns to...
Curated OER
Transition to algebra
Students recognize the difference between a prime and a composite number. In this prime and composite number instructional activity, students use a factor tree model to show prime factorization. Students participate in a...
Curated OER
Mastering Math Vocabulary of Prime and Composite Numbers Using Venn Diagrams
Create Venn diagrams. Your class will discover the relationships between even and prime numbers. Next, they will compare that to the relationship between odd and composite numbers.
Curated OER
Prime Factorization
In this math worksheet, students find the solutions to the whole numbers through finding the prime factorization. This could be done using number trees.