Worksheet
Curated OER

Least Common Multiples

For Students 6th - 8th
For this math worksheet, middle schoolers find the least common multiple of sets of numbers. Students factor each number to their prime factorization. They use the primes to find the least common multiples. This is a worksheet generator,...
Lesson Plan
Curated OER

Prime Real Estate

For Teachers 4th - 6th
Students analyze and discuss prime numbers and the Sieve of Eratosthenes, a procedure to sort out prime numbers. They identify the prime numbers from 1-100 by eliminating all the multiples of the first four prime numbers, and circle what...
Interactive
Curated OER

My Test Book: Multiples and Factors

For Students 4th - 6th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding multiples and factors. Students may view the correct answers.
Lesson Plan
Beacon Learning Center

Ten Pins

For Teachers 3rd - 5th Standards
Multiplying with multiples of 10, 100, and 1,000 provides an opportunity to discuss patterns that arise with zeros. The class uses these patterns to solve problems. Then they rotate through three work stations, including a computer-based...
eBook
CK-12 Foundation

CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Lesson Plan
Curated OER

Mission: Finding the LCM using Prime Factorization

For Teachers 5th - 6th
In this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
Worksheet
Helping with Math

Prime Factorization with Factor Trees (2 of 2)

For Students 3rd - 5th Standards
The publisher has tagged this resource as designed to meet CCSS.Math,Content.6.NS.4, but it really is only the first step in the process of determining least common multiples and greatest common factors. Six numbers are given for...
Lesson Plan
Curated OER

Prime and Composite

For Teachers 6th
Sixth graders practice implementing manipulative's to assess composite and prime numbers. They formulate representations of rational numbers in a variety of ways including graph paper, sieves of Eratosthenes and multiple worksheets.
Worksheet
Curated OER

Counting Puzzle

For Students 5th - 6th
In this number puzzle, students complete six questions based on finding the factors and multiples of various numbers. Students fill in their answers into the appropriate space in the number puzzle.
Lesson Plan
Curated OER

Range, Cluster, Gap and Outliers

For Teachers 6th - 9th
There are a number of activities here where learners collect and record data, as well as, activities where the likelihood of an event happening is calculated given the experimental probability. Young statisticians organize information...
Worksheet
Curated OER

Least Common Multiple

For Students 4th - 5th
In this least common multiple worksheet, students review the steps for finding the least common multiple using lists of multiples and prime factorization. Students then list multiples to find the LCM for the given numbers. Students then...
Lesson Plan
Curated OER

What Are You - Prime or Composite

For Teachers 8th - 10th
Learners 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. Learners...
Worksheet
Curated OER

Multiples

For Students 6th - 8th
In this multiples learning exercise, learners complete multiple choice questions about multiples of a number and common factors of numbers. Students complete 10 questions.
Lesson Plan
Curated OER

Prime Factorization

For Teachers 5th - 6th
Students work with prime numbers. In this prime factorization lesson, students review writing numbers in their prime factorization form and solve multiple problems.
Worksheet
PBS

Working with Common Denominators: Activities and Supplemental Materials

For Students 4th - 6th Standards
Enjoy these straightforward and simple worksheet pages that practice with different denominators. The practice starts simple with adding fractions together and then works on a recipe that needs to be tripled. 
Lesson Plan
Curated OER

In Your Prime

For Teachers 3rd - 4th
Students study how to find prime numbers. They investigate the teachings of the mathematician Eratosthenes and apply his theory of prime numbers less than 100.
Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 9th - 11th
In this algebra worksheet, learners add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
Worksheet
Helping with Math

Factors with Prime and Composite Numbers (2 of 2)

For Students 4th - 6th Standards
Ten two-digit numbers are listed for fourth graders to factor. Once they have factored each, they circle whether the original number is prime or composite. If you click on the "Print Worksheet" button, the printable spreads the problems...
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.
Worksheet
Curated OER

Greatest Common Factor

For Students 4th - 5th
In this GCF worksheet, students fill in missing numbers in factor trees and write the prime factorization to find the greatest common factor. Worksheet includes links to answers and additional worksheets.
Worksheet
Curated OER

Greatest Common Factor #2

For Students 4th - 5th
In this GCF worksheet, learners fill in missing number in factor trees, then determine whether numbers are prime or composite. Worksheet includes links to answers and additional worksheets.
Worksheet
Curated OER

Factorization of Integers

For Students 7th - 8th
In this factorization of integers worksheet, student solve and complete 6 various types of problem. First, they write down the factors for each integer and find the prime factorization. Then, students factorize completely and find the...
Worksheet
Curated OER

Planetary Alignments

For Students 8th - 10th
In this planetary alignments activity, students use 2 different methods to find out when planet alignments will occur. They use a three number series and they use least common multiples to find out when Mercury and Venus will align.
Worksheet
Curated OER

Least Common Multiple

For Students 8th - 10th
In this least common multiple worksheet, students write numbers as a product of primes to determine the least common multiple. Explanations and examples are provided. This two-page worksheet contains ten problems.