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...
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.
Worksheet
Curated OER

Factoring Trinomials

For Students 9th
In this factoring trinomials worksheet, 9th graders solve and complete 18 different problems that include identifying the product and sum of numbers. First, they factor the GCF from each group of numbers and complete. Then, students...
Worksheet
Curated OER

Grade 6 Math Quiz B

For Students 6th
For this grade 6 math quiz worksheet, 6th graders complete a 15 question multiple choice quiz covering a variety of grade 6 concepts. 
Lesson Plan
Curated OER

Prime and Composite

For Teachers 6th - 8th
Learners explore prime and composite numbers. In this prime and composite numbers lesson, students discover the difference between prime and composite. Learners practice as a class then do independent practice.
Worksheet
Curated OER

The Merry Go Round

For Students 4th - 5th
In this math worksheet, students find the prime factors of the problems. Then they fill the letters of the answers into the graphic organizer.
Worksheet
Curated OER

Eratosthenes Sieve¦

For Students 6th - 8th
In this math worksheet, students find the prime numbers through going through the factors in sequential order. The answers are used to create the words at the bottom of the page.
Worksheet
Curated OER

Make a Factor Tree

For Students 5th - 6th
In this factoring worksheet, learners solve 9 problems in which a two or three digit number is factored using a factor tree. Each number is in its own box. There are no examples.
Worksheet
Curated OER

Factors

For Students 5th - 6th
In this set of factors worksheets, students explore factoring, prime numbers, highest common factor, least common multiple, and exponents and powers. There are seventeen total problems on four separate worksheets. There is an answer sheet.
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...
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...
Worksheet
Curated OER

Factors and Greatest Common Factor

For Students 9th
In this factors worksheet, 9th graders solve and complete 39 different problems that include determining the greatest common factor to solve. First, they state whether each number is prime or composite. Then, students factors each...
Worksheet
Curated OER

Factors Game

For Students 6th - 8th
For this factors game worksheet, teams of students identify factors.  They find proper factors of a given number  This one-page worksheet cotnains approximately 40 problems.
Worksheet
Curated OER

Counting Puzzle

For Students 4th - 5th
In this number crossword puzzle worksheet, students use the clues about factors, multiples, prime numbers, and odd numbers to complete the crossword puzzle.
Organizer
Curated OER

Problem-Solving Strategy: Use Logical Reasoning

For Students 4th - 5th
In this problem-solving worksheet, students solve 1 mathematical word problem by figuring out the answers to 7 questions. Students record their answers on the lines provided.
Lesson Plan
Virginia Department of Education

Rational Expressions

For Students 9th - 12th Standards
Demonstrate the progression of operations with rational expressions through a multi-day lesson plan, equipped with worksheets for each day. High schoolers develop the concepts needed to perform operations with rational expressions....
Worksheet
Curated OER

Unit 2: Factors

For Students 6th - 9th
In this factors worksheet, students identify prime numbers.  They use a Sieve of Eratosthenes to identify prime numbers.  Students complete factor trees and explore perfect numbers.  This factoring unit contains eight...
Worksheet
Curated OER

Factor Investigation

For Students 5th - 6th
In this factor worksheet, students complete a chart for factors, proper factors, perfect numbers, deficient numbers, prime numbers, and abundant numbers.
Lesson Plan
Curated OER

One Hundred Hungry Ants (Multiplication and Division)

For Teachers 4th
Fourth graders explore factors of numbers from 1 to 50. They gain practice with basic facts and multi-digit multiplication problems. Students practice the commutative property. They discover the link between multiplication and...
Lesson Plan
Curated OER

Introductory Algebra Chapter R Review

For Teachers 6th - 8th
In this math worksheet, students solve the problems and simplify the fractions. Each of the sets is related to the instructional objectives.
Interactive
Curated OER

Least Common Multiple: Post Test

For Students 4th - 8th
In this least common multiple learning exercise, 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
Curated OER

More Factors and Multiples: Greatest Common Factor: Pre Test

For Students 5th - 8th
In this greatest common factor worksheet, students answer multiple choice questions about problem solving and rules of the greatest common factor in numbers. Students complete 10 questions total.
Lesson Plan
Curated OER

Number Theory - Week 12

For Teachers 12th - Higher Ed
In this number theory worksheet, young scholars study integers and their properties. They explore the Fibonacci Sequence and approximate irrational numbers. This two-page worksheet contains eight problems.
Worksheet
Curated OER

Number Theory and Fractions Vocabulary Crossword

For Students 5th - 6th
In this math crossword, students use a set of clues and 15 words about number theory and fractions to complete a crossword puzzle. A reference web site is given for additional activities.