Eighth graders explore prime and composite numbers. Given division problems, they use color tiles to model solutions to division problems. Through activities and observation, 8th graders discover the meaning of prime and composite...

Students participate in activities to investigate properties of numbers. They identify prime and composite numbers and determine the patterns associated with these numbers. They answer questions associated with each activity.

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 worksheet, 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 prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.

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 factorization worksheet, students complete factor trees for 2 digit numbers to find their prime factorization. Students complete 6 problems.

In this math skills activity, students solve 10 multiple choice math problems regarding prime factorization and multiples. Students may view the correct answers.

In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding factors and prime numbers. Students may submit their answers to be scored.

In this numbers 1.1 worksheet, students solve 64 problems about all kinds of numbers:  rational, irrational, prime, composite, square roots, fractions, decimals.

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 activity is intended for 2nd grade but may not be suitable for learners under 10 or those who have not...

Banks are responsible for keeping our financial information safe. Mathematics is what allows them to do just that! Pupils learn the math behind the cryptography that banks rely on. Using polynomial identities, learners reproduce the...

Number theory gets a workout in an activity that asks individuals to identify and color code the prime numbers and the composite numbers in the provided graphic.

Students explore the concept of prime and composite numbers. In this prime and composite numbers lesson, students discover what makes a number prime or composite. Students then practice identifying primes and composites on the provided...

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 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 factoring learning exercise, students read about prime factorization, factor using factor trees, build numbers from primes and complete a challenge puzzle.

In this history learning exercise, students complete short answer questions about different World Wars, Prime Ministers, cities in different countries, and more. Students complete 20 questions.

Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...

Teaching learners about latitude and longitude can get a little complicated. Present the concept by first representing it as a graph. Just like finding a location on a graph using the x and y-axis, learners will be able to locate items...

In this finding prime numbers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.