Lesson Plan
Curated OER

Construction Square Fun

For Teachers 6th - 8th
Students identify numbers as prime or composite and complete prime factorization of composite numbers.
Worksheet
Curated OER

Factor Trees and GCF

For Students 6th - 8th
In 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.
Lesson Plan
Curated OER

Multiplying and Dividing Fractions and Mixed Numbers

For Teachers 4th - 6th
Upper graders study fraction and mixed number division and also review fraction multiplication. In this fraction and mixed numbers instructional activity, learners work with the teacher in an oral problem solving method to multiply and...
Lesson Plan
Curated OER

Introducing the Concept Prime Factors

For Teachers 5th
Fifth graders identify the prime factorization for 48 using different sets of factors. They find the prime factorization for 60.
Lesson Plan
Curated OER

Transition to algebra

For Teachers 9th - 10th
Students recognize the difference between a prime and a composite number.  In this prime and composite number lesson, students  use a factor tree model to show prime factorization. Students participate in a bingo activity....
Lesson Plan
Virginia Department of Education

Factoring

For Students 9th - 12th Standards
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...
Lesson Plan
Curated OER

Multiplying and Dividing Fractions and Mixed Numbers

For Teachers 5th - 6th
Help math learners discover how to multiply fractions and mixed numbers. They will explore visual examples of the operations. They also practice solving problems that their instructor models.
Lesson Plan
Curated OER

Factors and Fractions

For Teachers 5th - 6th
Find the greatest common factor of numbers. Learners review prime and composite numbers and how to find the prime factorization of a number. They also review the greatest common factor, least common multiple, and learn new ways to find...
Worksheet
Curated OER

Factors

For Students 3rd - 5th
Factoring numbers helps prepare scholars for fractions and algebra, so build confidence by drilling this skill and promoting reflection in the process. Scholars start by listing factors for 18 numbers, none of which exceed 30. Next, they...
Interactive
Curated OER

Prime Factorizations

For Students 5th - 10th
In this prime numbers worksheet, students answer multiple choice questions about prime numbers and how they are read. Students answer 10 questions total.
Lesson Plan
Curated OER

Math: Am I Prime?

For Teachers 7th
Seventh graders determine the difference between prime and composite numbers. On a Website, they discover a method to identify all the prime numbers up to 100 and also complete several online activities. Once they have discussed the...
Lesson Plan
Curated OER

Factoring

For Teachers 9th
Ninth graders factor equations and find prime numbers. In this algebra instructional activity, 9th graders find the factors and prime factors of a number using multiples and relatively prime numbers.
Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th
Sixth graders investigate the concept of prime and composite numbers. They use a review of multiplication to help explain factoring. Students are taught the definition of a prime and composite number and then practice independently.
Unit Plan
2
2
EngageNY

Polynomial, Rational, and Radical Relationships

For Teachers 9th - 12th Standards
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
Lesson Plan
Curated OER

March of the Dividing Ant

For Teachers 4th - 5th
Students inspect divisibility rules. In this divisibility rules lesson, students study the relationship between factorization and the divisibility rules for 2, 3, 5, 6, 9, and 10. Students read One Hundred Hungry Ants and A Remainder of...
Worksheet
Curated OER

Factors

For Students 7th - 9th
For this factors worksheet, students identify factors of given numbers. They identify prime numbers and name the least common multiple. This two-page worksheet contains 24 problems. This worksheet is designed to be completed mentally.
Lesson Plan
Curated OER

Grade 5: Multiple Towers

For Teachers 5th
Fifth graders use interlocking cubes to build towers to represent factors of numbers and place the towers in the appropriate places on a Tower chart in order to look for patterns. They work in partner groups, and finish by writing...
Lesson Plan
Curated OER

Prime and Composite Numbers with use of manipulatives (Elementary, Mathematics)

For Teachers 5th - 6th
Students 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.
Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th
Sixth graders identify prime and composite numbers. They participate in a hands-on activity to discover the multiples and factors of specified numbers. They write a paragraph to explain representing factors.
Interactive
Curated OER

More Factors and Multiples Pre-Test

For Students 6th - 7th
In this factorization pre-test learning exercise, students solve ten multiple choice questions by finding the least common multiple. This is an interactive learning exercise.
Worksheet
Curated OER

Quick Quiz -Factors

For Students 4th - 6th
In this identifying the factors and prime factorizations quiz worksheet, students list the factors and determine the prime factorizations of two-digit numbers. Students solve 10 problems. 
Lesson Plan
West Contra Costa Unified School District

Simplifying Radicals – Day 1

For Teachers 8th - 10th
It doesn't get simpler than this. Scholars first learn to simplify radicals by determining the prime factors of the radicand. The lesson progresses to simplifying radicals involving algebraic expressions in the radicand.
Interactive
Curated OER

Least Common Multiple: Post Test

For Students 4th - 8th
In this least common multiple worksheet, students answer multiple choice questions about the least common multiple of numbers and rules on how to find it. Students complete 10 questions total.
Interactive
CK-12 Foundation

Greatest Common Factor Using Factor Trees

For Students 6th Standards
Beginning with a description that sets the stage, learners are asked to break down the numbers 42 and 63 to find the greatest common denominator using factor trees. As they work through the factoring process, young mathematicians are...