Curated OER
Prime or Composite numbers
In this prime and composite numbers worksheet, students mark each 2 or 3 digit number as either prime or composite. Students complete 60 problems.
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Prime and Composite Numbers
Students explore the concept of prime and composite numbers. In this prime and composite numbers lesson, students discover what makes a number prime or composite. Students then practice identifying primes and composites on the provided...
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Prime and Composite Numbers Optical Illusion
In this prime and composite numbers practice instructional activity, learners sharpen their math skills as they identify numbers as prime or composite to solve the optical illusion puzzle.
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Prime Factorize
In this prime factorization worksheet, students prime factorize ten given numbers. The numbers range from 6 to 25.
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Prime Factorize
For this prime factorization worksheet, students use skills to find the prime factorization of the given numbers. An answer sheet is included.
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Sets
In this numbers learning exercise, 3rd graders fill in a crossword puzzle as they figure out the answers to 7 questions associated with number sets.
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Factorization of Integers
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...
EngageNY
The Power of Algebra—Finding Primes
Banks are responsible for keeping our financial information safe. Mathematics is what allows them to do just that! Pupils learn the math behind the cryptography that banks rely on. Using polynomial identities, learners reproduce the...
CK-12 Foundation
Prime Factorization: Chocolate Chip Factoring
An interactive resource challenges mathematicians to show what they know about prime factorization. Five multiple-choice, true or false, and discussion questions use chocolate chip cookies to set a real-world application of the concept.
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Math in English Skills X Exercise Book
Provide your remedial math learners with a handy packet that will help them practice prime factorization, exponents and roots, and multiplication and division of fractions. The packet includes 20 pages, bright images, and answer keys....
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Number Theory Worksheet 2: The Sieve of Eratosthenes
In this primes and multiples worksheet, students follow the directions to circle primes and multiples on a hundred chart until all prime numbers from 1 to 100 are circled. This is called the Sieve of Eratosthenes.
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Counting From 1 to 20
Children are given a mixed up number chart 1-20, and are asked to sort out all the even, odd, prime, and composite numbers. This worksheet is intended for 2nd grade but may not be suitable for learners under 10 or those who have not yet...
Curated OER
Factoring Worksheet 1
In this factorization worksheet, students complete 20 problems where they factor whole numbers to get to their prime numbers. Answers are found by clicking a link. An excellent in-class activity, or homework assignment.
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Patterns
In this Algebra I worksheet, 9th graders explore number and geometric patterns and use the Sieve of Eratosthenes to find the prime numbers less than one hundred. The six page worksheet contains eight multipart questions. Answers are...
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Prime Factorize
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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Factors and Prime Numbers
In this factors and prime numbers worksheet, students solve 40 problems in which they find prime numbers, determine the factors of given numbers and figure out whether or not numbers are prime. This page is intended for online use but...
Curated OER
5th Grade Math Sheet
In this 5th grade math learning exercise, 5th graders solve 10 various types of questions that include place value and prime numbers. First, they find the least common multiple of two numbers. Then, students determine the value of an...
Curated OER
Factors
In this set of factors worksheets, students explore factoring, prime numbers, highest common factor, least common multiple, and exponents and powers. There are seventeen total problems on four separate worksheets. There is an answer sheet.
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Prime Hunt On The Internet
Eighth graders find information about primes on the Internet. They use directions for Sieve of Eratosthenes to find primes in the first 100 numbers. After a lecture/demo, 8th graders access a website imbedded in this plan to explore...
Curated OER
Perfect Numbers
Sixth graders classify numbers as abundant, deficient, or perfect based on the relationship between the number and its factors. They review factor game using the completed lab sheet. When playing the factor game which type of numbers...
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Multiplying and Dividing Fractions and Mixed Numbers
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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Using Factor Trees
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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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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Prime and Composite Numbers
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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