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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
- 8th
- Rating
Students explore prime and composite numbers. Given division problems, they use color tiles to model solutions to division problems. Through activities and observation, students discover the meaning of prime and composite numbers. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students research prime and composite numbers. With a partner, students use graph paper to draw rectangles of various sizes. They list the dimensions of rectangles and discuss how the dimensions relate to the factors of each number. Students perform the prime factorization of numbers. They find the Greatest Common Factor (GCF) of numbers. 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
- 8th
- Rating
Students study the definitions needed to complete computation with prime and composite numbers. They participate in a guided practice lesson using prime and composite numbers. Finally, they complete a student practice worksheet. 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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