Curated OER
Challenge: Prime Numbers
In this exploring prime numbers worksheets, learners use the definition of prime numbers to solve 4 problems, then list prime and composite numbers from 2-18.
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Factors of Numbers from 31 to 65
Finding factors is an integral aspect of multiplication. Although there are two examples here, they don't illustrate the process so you will still need to model this a few times for scholars. First, mathematicians list the factors for...
Illustrative Mathematics
Numbers in a Multiplication Table
Identifying patterns is a crucial skill for all mathematicians, young and old. Explore the multiplication table with your class, using patterns and symmetry to teach about square numbers, prime numbers, and the commutative and identity...
Curated OER
Factors of Numbers from 1 to 30
Finding factors is an integral skill on the road to fractions and algebra. Scholars write down a factor list for nine numbers up to 30. Next, they examine provided lists and circle the numbers that are factors of eight more numbers, also...
Curated OER
Factors of Numbers from 66 to 100
Finding factors requires practice and a logical system, so help scholars develop this skill with these problems. They write out the factor list for 9 two-digit numbers and then circle the factors from a list for four more numbers....
Curated OER
Identify Prime and Composite Numbers
Fourth and fifth graders identify numbers as prime or composite, list composite numbers that could be mistaken for prime and answer a "prediction" question.
Mathed Up!
Factors, Multiples, and Primes
Reinforce the concept of factors, multiples, and prime numbers with a 16-problem practice worksheet. Eight pages offer a variety of problem solving opportunities with clear objectives and tips for successful completion.Â
Helping with Math
Factors With Prime and Composite Numbers (1 of 2)
Math monsters examine nine numbers, factor them, and then determine if they are composite or prime. You can print this learning exercise off of the website, but it does not fit neatly onto one page. Consider projecting it on your class...
K12 Reader
Prime or Composite?
Prime numbers? Composite numbers? Prime factorization? After reading a short article about factors and prime and composite numbers, kids answer a series of comprehension questions based on the text.
Curated OER
Am I Am I Prime?
Seventh graders determine if a number is prime or composite. In this determining if a number is prime or composite instructional activity, 7th graders use a website to help find all prime numbers between 1 and 100. Students use a...
Curated OER
Worksheet: Prime or Composite
Learners read the definitions for prime and composite numbers. Students then identify the numbers as prime and composite numbers for the 20 problems. They complete a prime search and answer four problems about numbers.
Curated OER
Factors and Factorization
In this factors learning exercise, students list all factors of given numbers. All numbers are positive and contain two to three digits. This four-page learning exercise contains 28 problems. Answers are provided.
Curated OER
Numbers 1.1
For this numbers 1.1 worksheet, students solve 64 problems about all kinds of numbers:Â rational, irrational, prime, composite, square roots, fractions, decimals.
Curated OER
Prime Factorization
In this prime factorization instructional activity, students solve 7 multiple choice problems. Students find the prime factorization of 91, 84, 78, 70, 67,63, and 36.
Curated OER
Prime Numbers and Factors
Students determine factors of numbers to 100 and identify prime factors; students differentiate prime and composite numbers by the factors of the numbers.
Curated OER
Prime Time
Seventh graders 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...
Curated OER
Factoring Numbers
In this factoring worksheet, students read about composite and prime numbers. They then read through 2 example problems regarding factors. Finally, students solve the 6 problems at the bottom of the page.
Curated OER
Primes and Prime Factors
In this primes and prime factors worksheet, 8th graders solve 21 different problems to include identifying each number as prime, composite, or neither prime nor composite and listing all the primes less than 200. Then they complete each...
Curated OER
Number Theory Worksheet 2: The Sieve of Eratosthenes
In this primes and multiples worksheet, students 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.
Curated OER
Finding Factors
In this finding factors worksheet, middle schoolers practice finding all the factors of 24 in twenty word equations and then find the prime factorization in ten equations.
Curated OER
Prime Factorization: Finding Factors in the Fifth Grade
The lesson starts out with a brain drain, which is a great way to get students to activate prior knowledge and build lasting connections. They tell everything they know about prime factorization, use their knowledge to...
Willow Tree
Factoring
Build an understanding of factors and use it to write the prime factorization of numbers. After exploring key vocabulary, learners create prime factorization for given numbers. They then use the prime factorizations to determine the...
Curated OER
Number Theory Worksheet 2: The Sieve of Eratosthenes
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.
Curated OER
Perfect Numbers
Sixth graders classify numbers as abundant, deficient, or perfect based on the relationship between the number and its factors. They review factor game using the completed lab sheet. When playing the factor game which type of numbers...