Prime and Composite Numbers/Prime Factorization

Elementary schoolers read and solve six mathematical word problems involving prime and composite numbers. Very good practice and a very good worksheet.

A terrific worksheet on mixed numbers, factoring, and fractions is here for you. Learners identify the 12 given numbers as prime or composite and write the prime factorization for eight given numbers. They also simplify six fractions and...

Create an understanding of prime numbers with the class after watching a video that examines different numbers and recognizes prime numbers as being those that do not have other factors than one and itself. The narrator then identifies...

Deepen the number sense of young mathematicians by exploring the process of prime factorization. Follow along with this step-by-step presentation that explains how factor trees are used to break a composite number down into its prime...

Prime or composite, that is the question. Teach your class how to find the answer with this step-by-step presentation that defines and provides examples of each type of number. When addressing larger numbers, divisibility rules are...

Math monsters examine nine numbers, factor them, and then determine if they are composite or prime. You can print this instructional activity off of the website, but it does not fit neatly onto one page. Consider projecting it on your...

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...

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,...

Start with the basics and introduce the first 24 numbers in the world of prime and composites. This graphic organizer has students list the factors and then categorize the numbers appropriately. A great way to organize information and...

Learners examine and discuss prime numbers, composite numbers, and prime factorization. They develop and create a factor tree mobile using exponents.