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- Grade Range
- 3rd - 4th
- Rating
Students, after the lesson and using Number Munches, recognize and identify prime numbers. Full Review »
- Grade Range
- 6th
- Rating
Students memorize their prime numbers by creating and manipulating their own Sieve of Eratosthenes. After a lecture/demo, groups of students create their sieve by correctly identifying prime numbers between 1 - 100. Full Review »
- Grade Range
- 7th
- Rating
Students 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 and glue. Full Review »
- Grade Range
- 3rd - 4th
- Rating
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. Full Review »
- Grade Range
- 4th - 6th
- Rating
Students determine factors of numbers to 100 and identify prime factors; students differentiate prime and composite numbers by the factors of the numbers. Full Review »
- Grade Range
- 4th - 6th
- Rating
Students use the provided 100 chart in order to do different activities with prime numbers. Full Review »
- Grade Range
- 4th
- Rating
Students 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 define the terms prime and composite. Full Review »
- Grade Range
- 7th
- Rating
Students compare and contrast prime and composite numbers and multiples. They define and discuss key vocabulary terms and the rules of divisibility. Students observe the teacher model examples of the repeated division process of factorization, factor tree process, prime and composite numbers, and order of operations, and independently complete a worksheet. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students solve problems from a New York Times math quiz related to an article about mathematician Dr. Terence Tao. They then prepare their own math quizzes for which solutions must be expressed in prime numbers. Finally, they consider how they use math in their daily lives, and prepare math problems based on one of their findings. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students explore Euclidean Algorithms to calculate the greatest common divisor of two integers. They identify relatively prime numbers. Students write definitions and solve problems, with teacher guidance. Full Review »
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