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Worksheet
Curated OER

Prime Factorize

For Students 5th - 7th
In this factorization worksheet, students prime factorize six numbers by using the factor tree method. The numbers given go up to the number 24.
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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.
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Lesson Plan
Curated OER

Factoring

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

Using Factor Trees

For Students 5th - 6th
In this math learning exercise, students read about how to create a factor tree. Students use factor trees to determine the prime factors of 16 numbers.
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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...
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Lesson Plan
Curated OER

Prime Factorization

For Teachers 6th
Sixth graders participate in a lesson that focuses on the concept of finding the prime factorization of a number. They write the answer using exponential notation. Students play a game of Bingo to keep engaged during the lesson.
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Lesson Plan
Curated OER

Modeling Prime Factorization

For Teachers 9th - 12th
Students model factors using tiles and grid paper. They differentiate between prime and composite factor trees. Students illustrate prime factorization using factor trees. They are given 12 tiles or cut-out paper squares. Students...
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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.
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Worksheet
Curated OER

Factors and Prime Factorization

For Students 6th
In this factors and prime factorization activity, 6th graders use examples to find all the factors for six numbers, then write six more numbers as products of prime factorization.
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Lesson Plan
Curated OER

Prime Factorization

For Teachers 6th - 8th
In this math worksheet, students find the solutions to the problems while looking for the prime factors. There is an example at the top of the page.
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Worksheet
Curated OER

Practice in Prime Factorization

For Students 7th - 8th
In this practice in prime factorization activity, students solve 8 columns of 10 problems each about prime factors for two and three digit numbers, plus two review problems in each column.
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Lesson Plan
Curated OER

Prime and Composite Numbers, Prime Factorization

For Teachers 6th - 8th
Students research prime and composite numbers. With a partner, students use graph paper to draw rectangles of various sizes. They list the dimensions of rectangles and discuss how the dimensions relate to the factors of each number....
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Worksheet
Curated OER

Factoring

For Students 9th
In this factoring worksheet, 9th graders solve and complete 12 different problems. First, they factor each polynomial completely, writing their parentheses first. Then, students write prime next to each polynomial that cannot be factored.
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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...
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Worksheet
Curated OER

Factorization

For Students 8th - 10th
In this algebra worksheet, learners factor number using their prime factors. They use a factor tree to help them find their prime numbers as they factor out. There are 20 factoring problems with an answer key.  
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Lesson Plan
Curated OER

Number Theory

For Teachers 8th - 12th
Learners explore the concept of number theory. They discuss an assortment of number theory topics such as prime numbers, composite numbers, GCF, modular arithmetic, and others in a lecture style discussion. Pupils view videos about these...
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Lesson Plan
Curated OER

Prime Factors

For Teachers 5th
Fifth graders review the concept of prime factorization. Then, they use the rules for divisibility and other notions to find the prime factorization of unfamiliar numbers. They solve problems in a whole class setting.
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Worksheet
Curated OER

Make a Factor Tree

For Students 5th - 6th
In this factoring activity, 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.
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Activity
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Curated OER

Mathematical Treasure Hunt

For Teachers 3rd - 8th Standards
The hunt is on! Young mathematicians follow clues and complete a series of ten math puzzles as they try to crack Dr. Integer's code and find the location of his hidden treasure.
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Lesson Plan
Curated OER

Transition to algebra

For Teachers 9th - 10th
Young scholars 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. Young scholars participate in a bingo activity....
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Worksheet
Curated OER

Prime Factorization

For Students 5th - 9th
In this prime factorization instructional activity, students list the prime factors of the 2 digit numbers given to them. Students complete 9 problems.
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Worksheet
Curated OER

Grade 5 Math: Factorization 2

For Students 5th
In this grade 5 math worksheet, 5th graders write 8 numbers as the product of their prime factors, using exponents to show multiples of the prime factor when needed.
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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.
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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.

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