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

Fourth and fifth graders identify numbers as prime or composite, list composite numbers that could be mistaken for prime and answer a "prediction" question.

Fourth graders investigate the concept of prime and composite numbers. Students study the visual representation for the numbers and use the pictures in order to develop designs for larger numbers. The goal of the lesson is for them to...

In this prime and composite numbers practice activity, students sharpen their math skills as they identify numbers as prime or composite to solve the optical illusion puzzle.

Students identify numbers as prime or composite and complete prime factorization of composite numbers.

Seventh graders explore the concept of divisibility. In this divisibility lesson plan, 7th graders use divisibility rules to find factors of numbers. Students create foldables to illustrate divisibility rules.

Pupils learn what prime and composite numbers are. They learn how to identify them by working in a group and demonstrating an understanding of one work problem with 100% accuracy using the manipulatives provided.