Welcome! Sign In or Try it Free!
Search Over 150,000 Teacher Reviewed Lesson Plans and 75,000 Worksheets
- Grade Range
- 4th - 6th
- Rating
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 remains. 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
- 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
- 5th
- Rating
Students solve problems by choosing strategies, explaining their reasoning, making calculations, and checking results. They are given a hundreds chart, students find all the prime numbers up to 100. Students work in groups of three or four to find other rules for identifying composite numbers. 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
- 4th
- Rating
Students investigate the concept of prime and composite numbers. Students study the visual representation for the numbers and use the pictures in order to develop designs for larger numbers. The goal of the lesson is for them to recognize that large numbers are the product of others. Full Review »
Link to This
Email This
Share