Curated OER
Exponents and Prime Factorization
In this exponents and prime factorization practice learning exercise, learners sharpen their problem solving skills as they solve six story problems.
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Chapter 2 Review: Prime Factorization
In this prime factorization activity, learners find the prime factorization of numbers by using a factor tree. They compare fractions and identify equivalent fractions, and find the greatest common factor, order numbers, and convert...
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Multiplying and Dividing Fractions and Mixed Numbers
Upper graders study fraction and mixed number division and also review fraction multiplication. In this fraction and mixed numbers lesson, learners work with the teacher in an oral problem solving method to multiply and divide fractions...
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Prime & Composite Numbers: Algebra/Geometry Institute 2009
Students create factor trees. In this prime and composite activity, students model fractions using tiles. They create factor trees and identify prime and composite numbers. Students use grid paper and tiles to model numbers. A...
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Factors and Factorization
In this factors instructional activity, students list all factors of given numbers. All numbers are positive and contain two to three digits. This four-page instructional activity contains 28 problems. Answers are provided.
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Finding Factors
For 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: Finding Factors in the Fifth Grade
The lesson starts out with a brain drain, which is a great way to get students to activate prior knowledge and build lasting connections. They tell everything they know about prime factorization, use their knowledge to...
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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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Prime Factorization - Practice 7-2
Finding the prime factors of two numbers is the focus of this math worksheet. Students write the factors to complete 2 factor trees, write the prime factorization for 9 numbers and answer 2 word problems.
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Learning About Prime and Composite Numbers
Students 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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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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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 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
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 Time
Students participate in activities to investigate properties of numbers. They identify prime and composite numbers and determine the patterns associated with these numbers. They answer questions associated with each activity.
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...
Curated OER
Number, Number Sense and Operations: Worksheet Four
Review a variety of mathematical skills with this worksheet. In this number sense and operations worksheet, learners solve 15 different problems that include simplifying various equations. In addition, they write the powers in order from...
Illustrative Mathematics
Identifying Rational Numbers
Eight different numbers are listed for mathematics masters to analyze. They simply tell if each number is rational or irrational. They can also explain their reasoning. A simple and straightforward worksheet that is a handy tool for...
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Factors
In this factors instructional activity, students identify factors of given numbers. They identify prime numbers and name the least common multiple. This two-page instructional activity contains 24 problems. This instructional activity is...
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Grade 5: Multiple Towers
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...
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Number System
In this sets of numbers worksheet, students write sets of natural numbers, prime numbers odd numbers, and circle prime numbers. Students complete 4 problems.
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Number System
For this number system worksheet, students complete several questions writing number sets for natural numbers, odd numbers, and prime numbers.
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Using Square Tiles to Investigate Numbers
Fifth graders model and distinguish between prime and composite numbers. Students are paired up with another classmate to complete this instructional activity. Students are assigned different numbers to work with, they use square tiles...
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Finding Primes-The Sieve of Eratosthenes
In this middle school/Algebra I worksheet, learners use the sieve of Eratosthenes to determine the prime number less than two hundred. The one page worksheet contains one problem. Answer is not provided.
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