In this middle school/Algebra I worksheet, students use the sieve of Eratosthenes to determine the prime number less than two hundred.  The one page worksheet contains one problem.  Answer is not provided. 

In this prime and composite numbers worksheet, students mark each 2 or 3 digit number as either prime or composite. Students complete 60 problems.

In this prime and composite numbers practice worksheet, students sharpen their math skills as they identify numbers as prime or composite to solve the optical illusion puzzle.

In this prime factorization worksheet, students prime factorize ten given numbers. The numbers range from 6 to 25.

For this prime factorization worksheet, students use skills to find the prime factorization of the given numbers. An answer sheet is included.

In this numbers worksheet, 3rd graders fill in a crossword puzzle as they figure out the answers to 7 questions associated with number sets.

For this factorization of integers worksheet, student solve and complete 6 various types of problem. First, they write down the factors for each integer and find the prime factorization. Then, students factorize completely and find the...

Provide your remedial math students with a handy packet that will help them practice prime factorization, exponents and roots, and multiplication and division of fractions. The packet includes 20 pages, bright images, and answer keys....

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.

Children are given a mixed up number chart 1-20, and are asked to sort out all the even, odd, prime, and composite numbers. This worksheet is intended for 2nd grade but may not be suitable for learners under 10 or those who have not...

In this Algebra I worksheet, 9th graders explore number and geometric patterns and use the Sieve of Eratosthenes to find the prime numbers less than one hundred.  The six page worksheet contains eight multipart questions. ...

In this factorization worksheet, learners prime factorize six numbers by using the factor tree method. The numbers given go up to the number 24.

In this factors and prime numbers worksheet, students solve 40 problems in which they find prime numbers, determine the factors of given numbers and figure out whether or not numbers are prime. This page is intended for online use but...

In this factorization worksheet, students complete 20 problems where they factor whole numbers to get to their prime numbers. Answers are found by clicking a link. An excellent in-class activity, or homework assignment.

In this 5th grade math worksheet, 5th graders solve 10 various types of questions that include place value and prime numbers. First, they find the least common multiple of two numbers. Then, students determine the value of an equation...

In this set of factors worksheets, students explore factoring, prime numbers, highest common factor, least common multiple, and exponents and powers. There are seventeen total problems on four separate worksheets. There is an answer sheet.

In this math worksheet, learners read about how to create a factor tree. Students use factor trees to determine the prime factors of 16 numbers.

In this identify numbers worksheet, students identify prime, composite, perfect, deficient, and abundant numbers listed on a one-hundred board. This two-page worksheet contains one-hundred numbers on each page.

In this factors and prime factorization learning exercise, 6th graders use examples to find all the factors for six numbers, then write six more numbers as products of prime factorization.

In this math worksheet, students find the solutions to the problems while looking for the prime factors. There is an example at the top of the page.

Ten two-digit numbers are listed for fourth graders to factor. Once they have factored each, they circle whether the original number is prime or composite. If you click on the "Print Worksheet" button, the printable spreads the problems...

In this practice in prime factorization activity, students solve 8 columns of 10 problems each about prime factors for two and three digit numbers, plus two review problems in each column.

In this primes activity, students list three triples that are generated by formulas. They explain how to generate these formulas and discuss the Pythagorean Triples. This one-page activity contains one multi-step problem.

In this algebra worksheet, students factor number using their prime factors. They use a factor tree to help them find their prime numbers as they factor out. There are 20 factoring problems with an answer key.