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12 resources with the concept sieve of eratosthenes

Videos (Over 2 Million Educational Videos Available)
How to paint a watercolor and ink flower bouquet | Watercolor Flower Painting Video
6:54
How to paint a watercolor and ink flower...
The Circulatory System Part 1: The Heart Video
8:55
The Circulatory System Part 1: The Heart
Population Genetics Video
2:45
Population Genetics
Other Resource Types ( 12 )
Lesson Planet

Prime Numbers and Prime Factorization

For Students 7th - 10th
Clarify prime numbers, composite numbers, and prime factorization with this worksheet. After looking over definitions, working through prime numbers, and making composite numbers, learners are introduced to prime factorization and the...
1 In 1 Collection
Lesson Planet

Eratosthenes: Geographer and Mathematician

For Students 4th - 5th Standards
Mathematicians can be famous, too! Introduce your class to Eratosthenes with a reading passage. After they complete the passage, learners respond to five questions, some of which require opinions and others reading comprehension skills.
1 In 1 Collection
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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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Factoring Composite Numbers

For Teachers 9th
Ninth graders work with composite numbers to find their prime factorizations. In this Algebra I activity, 9th graders use factor trees and division to find the prime factors of a number. Students explore the use of prime factors to...
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Prime Time

For Teachers 4th
Fourth graders play a game with red and green cards (composite and prime numbers). As a card is drawn students create all possible arrays. The winner of each round is the person with the most arrays. Students discuss their results, and...
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Factors and Products Games

For Students 5th - 7th
In this prime numbers worksheet, learners learn to use the Sieve of Eratosthenes to find all the prime numbers from 1 to 100.
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Patterns

For Teachers 9th
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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Unit 2: Factors

For Students 6th - 9th
In this factors instructional activity, students identify prime numbers.  They use a Sieve of Eratosthenes to identify prime numbers.  Students complete factor trees and explore perfect numbers.  This factoring unit contains eight...
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Number Theory Worksheet 2: The Sieve of Eratosthenes

For Students 4th - 6th
in this number theory worksheet, students use the Sieve of Eratosthenes to find all primes up to the number 100. Students follow the directions to circle primes and multiples on the hundred chart.
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Number Theory Worksheet 2: The Sieve of Eratosthenes

For Students 5th - 6th
In this primes and multiples worksheet, learners 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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Prime Real Estate

For Teachers 4th - 6th
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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Primed and Ready!

For Teachers 3rd
Third graders listen to information about Eratosthenes and review the definitions: prime, composite, multiples and divisible. They recreate Eratosthenes' method of compiling prime numbers. They create a poster.