Willow Tree
Factoring
Build an understanding of factors and use it to write the prime factorization of numbers. After exploring key vocabulary, learners create prime factorization for given numbers. They then use the prime factorizations to determine the...
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Am I Am I Prime?
Seventh graders determine if a number is prime or composite. For this determining if a number is prime or composite lesson, 7th graders use a website to help find all prime numbers between 1 and 100. Students use a website to...
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Learning About Prime and Composite Numbers
Learners explore the concept of prime and composite numbers. In this prime and composite numbers lesson, students determine if a number is prime or composite.
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Factors and Prime Factorization
In this factors and prime factorization instructional 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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Prime Factors
In this prime factor activity, learners write numbers as a product of primes. Explanations and examples are provided prior to the exercise. This two-page activity contains ten problems.
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Prime Factorization
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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Factors, Prime Factorization, Multiples
Seventh graders examine Prime Factorizations, Multiples, and Factors. In this prime number, factorization, and multiples lesson, 7th graders identify greatest common factors and least common multiples. Students use problem solving skills...
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Introducing the Concept Prime Factors
Fifth graders identify the prime factorization for 48 using different sets of factors. They find the prime factorization for 60.
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Prime Factorization
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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Prime Real Estate
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...
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Prime Time
Seventh graders practice determining the prime factorization of composite numbers. They create Christmas factor trees for prime numbers greater than 100. They decorate their final products with markers, crayons, colored pencils, glitter...
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TAKS Math Quiz-Prime Numbers
In this TAKS math quiz instructional activity, students take an online quiz focused on prime numbers. Quiz can be graded online by clicking a link.
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Prime Factorization
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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Prime factors
In this prime factors activity, 6th graders find the prime factors of two digit numbers. Students complete 6 problems where they find prime factors.
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In Your Prime
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.
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Leveled Problem Solving: Prime Factorization
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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Prime Factorizations
In this prime numbers worksheet, students answer multiple choice questions about prime numbers and how they are read. Students answer 10 questions total.
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Prime and Composite Numbers
Fifth graders use prime factorization to identify prime and composite numbers. They use cubes to find factors. In groups, 5th graders draw rectangular arrays to discover prime numbers under 100.
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What Are You - Prime or Composite
Students explore the concept of prime factorization. In this prime factorization activity, students participate in an activity where they find the prime factorization and greatest common factor of a number derived from their name....
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Prime Numbers and Factors
Students determine factors of numbers to 100 and identify prime factors; students differentiate prime and composite numbers by the factors of the numbers.
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Prime and Composite Numbers
Sixth graders identify prime and composite numbers and complete an activity problem. Given a 100 chart, they follow directions to create a prime number chart. In groups, 6th graders play a "Prime Take Away" activity to reinforce prime...
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Prime and Composite Numbers
Fifth graders investigate the concepts of composite and prime numbers. They factor different numbers and determine the number of factors for each. Based upon this information the number is declared prime or composite.
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Prime and Composite Numbers, Prime Factorization
Middle schoolers 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...
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Prime Factorization
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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