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Prime Factorizations - Post Test

For Students 4th - 5th
For this prime factorizations worksheet, students complete a set of 10 multiple choice questions. Students may print out the test or click on a link to see answers.
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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.
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Prime Factorization

For Teachers 5th - 6th
In these prime factorization worksheets, students make a factor tree of the given numbers and then write the answers using exponential notation. Students then use multiplication to check their factoring work. Students evaluate the...
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Factors and Prime Factorization

For Students 6th
In this factors and prime factorization learning exercise, 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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Mission: Finding the LCM using Prime Factorization

For Teachers 5th - 6th
For this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
Worksheet
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Leveled Problem Solving: Prime Factorization

For Students 4th - 6th
In this prime factorization worksheet, students solve a set of 6 problems related to prime factorization, including determining whether numbers are prime or composite and determining factors.
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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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Prime Factorization

For Students 5th - 8th
In this prime factorization worksheet, students complete factor trees for 2 digit numbers to find their prime factorization. Students complete 6 problems.
Worksheet
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My Test Book: Multiples and Prime Factorization

For Students 5th - 7th
In this math skills worksheet, students solve 10 multiple choice math problems regarding prime factorization and multiples. Students may view the correct answers.
Worksheet
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Factorization of Integers

For Students 7th - 8th
For 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...
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Time for Prime

For Teachers 4th
Explore prime numbers. Learners use an interactive 100's chart to identify prime numbers, discuss a glossary of terms, use cards to list multiples of 2,3,4,5, and play a bingo game.
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K12 Reader

Prime or Composite?

For Students 4th - 5th Standards
Prime numbers? Composite numbers? Prime factorization? After reading a short article about factors and prime and composite numbers, kids answer a series of comprehension questions based on the text.
Lesson Plan
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Prime and Composite Numbers

For Teachers 6th - 7th
Prime and composite numbers are the focus of this mathematics lesson. In it, learners practice techniques for identifying these two types of numbers. They utilize the Inspiration program to complete a task that is clearly explained, and...
Worksheet
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Least Common Multiple

For Students 6th - 9th
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...
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Composite and Prime Numbers

For Teachers 4th
Young math whizzes determine if a number is prime or composite. They use counters to participate in activities that show prime and composite numbers.
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Factorization

For Students 9th - 11th
In this algebra worksheet, studentss factor numbers using prime factorization.  They factor all the way to the prime numbers and then simplify. There are 10 questions with an answer key.
Worksheet
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Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
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Finding Factors

For Students 6th - 8th
In this finding factors worksheet, middle schoolers practice finding all the factors of 24 in twenty word equations and then find the prime factorization in ten equations.
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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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Prime Factorization, Equivalent Fractions and GCF review

For Students 7th - 9th
In this sample test worksheet, learners solve twenty-five problems covering prime factorization, equivalent fractions, greatest common factor, and plotting on a number line.  Solutions are provided.
Lesson Plan
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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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Prime Factorize

For Students 5th - 6th
In this prime factorization instructional activity, students prime factorize the nine given numbers on a line. Each number goes to the hundreds place.
Lesson Plan
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Prime & Composite Numbers: Algebra/Geometry Institute 2009

For Teachers 7th - 8th
Learners create factor trees.  In this prime and composite lesson, students model fractions using tiles.  They create factor trees and identify prime and composite numbers.  Learners use grid paper and tiles to model...
Lesson Plan
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Prime Numbers and Factors

For Teachers 5th - 7th
Solving factor trees is a helpful way to introduce prime numbers. Your math class practices using this method along with two-column tables to find if a number is prime or not. They also learn other vocabulary, such as composite numbers,...

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