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- Grade Range
- 5th - 9th
- Rating
Students follow a systematic method of deciding if a number is prime or not. Then students watch as prime and composite numbers seem to magically separate during interesting activities. Full Review »
- Grade Range
- 6th - 7th
- Rating
Students learn what prime and composite numbers are and how to identify them. Full Review »
- Grade Range
- 5th
- Rating
Students examine prime and composite numbers and prime factorization. They define prime and composite numbers, view a teacher demonstration, then demonstrate prime factorization using small squares of construction paper. Full Review »
- Grade Range
- 5th
- Rating
Students are able to describe and identify prime and composite numbers. They are introduced to the names of prime and composite by prime numbers are like 7 because only 1 and 7 can divide into it and not leave a remainder, and composite numbers are numbers like, 6, because 1,2,3, and 6 can divide into it and not leave a remainder. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students determine whether a number is prime or composite. They identify all the whole number factors of a composite number. Pupils explore and use divisibility rules. Students use strategies to determine prime and composite numbers and to arrange a composite number's factors in a rainbow pattern. Full Review »
- Grade Range
- 6th
- Rating
Students 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. 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
- 7th
- Rating
Students compare and contrast prime and composite numbers and multiples. They define key vocabulary terms, read and discuss the order of operations, and observe and participate in a guided lesson that focuses on evaluating numerical expressions, repeated division process of factorization, and rules of divisibility. Full Review »
- Grade Range
- 8th
- Rating
Students explore the rules of divisibility, prime and composite numbers and multiples. They define the rules of divisibility and use repeated division to divide a number by the smallest prime number possible. Students repeat the process dividing by prime numbers only. Full Review »
- Grade Range
- 9th
- Rating
Students observe and demonstrate how to compare and contrast prime and composite numbers and multiples. They define key vocabulary terms, observe the teacher model a variety of examples, and independently complete a worksheet. Full Review »
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