Math Learning Center
Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors
Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their...
CK-12 Foundation
Prime Factorization: Chocolate Chip Factoring
An interactive resource challenges mathematicians to show what they know about prime factorization. Five multiple-choice, true or false, and discussion questions use chocolate chip cookies to set a real-world application of the...
Curated OER
Prime Time
Fifth graders complete activities related to prime and composite numbers. In this prime instructional activity, 5th graders make a hundreds chart with all the prime numbers. They create their own card game which deals with prime and...
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
Grade 5: Multiple Towers
Fifth graders use interlocking cubes to build towers to represent factors of numbers and place the towers in the appropriate places on a Tower chart in order to look for patterns. They work in partner groups, and finish by writing...
Curated OER
Primes in Product
In this secondary mathematics worksheet, high schoolers must determine the two prime numbers and one composite number that would be factors of the given product. The one page worksheet contains one problem with the solution.
Curated OER
Prime Factorization
In this prime factorization worksheet, students solve 7 multiple choice problems. Students find the prime factorization of 91, 84, 78, 70, 67,63, and 36.
Curated OER
Factors, Prime Factorization, Multiples
Seventh graders examine Prime Factorizations, Multiples, and Factors. In this prime number, factorization, and multiples lesson, 7th graders identify greatest common factors and least common multiples. Students use problem solving skills...
Curated OER
Babylonian Mathematics I
Learners examine a Babylonian clay tablet and the mathematics found on it as a catalyst to investigate a variety of mathematical ideas. They work with prime numbers, classify numbers as whole, integer, rational, or irrational and use...
Beacon Learning Center
Ten Pins
Multiplying with multiples of 10, 100, and 1,000 provides an opportunity to discuss patterns that arise with zeros. The class uses these patterns to solve problems. Then they rotate through three work stations, including a computer-based...
Texas Instruments
Greatest Common Divisor and Least Common Multiple
Students solve problems using the GCD and LCM. In this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
Curated OER
Review of Pre-Algebra
Middle and high schoolers review topics covered Pre-Algebra. They solve problems questions dealing with exponents, square roots and absolute value. They use the rules of divisibility and identify prime numbers. This two-page on-line...
Curated OER
Mission: Finding the LCM using Prime Factorization
In this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
Curated OER
My Test Book: Multiples and Prime Factorization
In this math skills worksheet, students solve 10 multiple choice math problems regarding prime factorization and multiples. Students may view the correct answers.
Curated OER
My Test Book: Multiples and Factors
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding multiples and factors. Students may view the correct answers.
Curated OER
More Factors and Multiples Pre-Test
In this factorization pre-test worksheet, learners solve ten multiple choice questions by finding the least common multiple. This is an interactive worksheet.
Math Solutions
Factor Game
Learning about factors and multiples is all fun and games with this simple math activity. The activity begins with the teacher and class playing the Factor Game together as students figure out the rules and uncover key...
Curated OER
Least Common Multiple
In this least common multiple activity, students review the steps for finding the least common multiple using lists of multiples and prime factorization. Students then list multiples to find the LCM for the given numbers. Students then...
Curated OER
Prime Real Estate
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...
Curated OER
Least Common Multiple
In this least common multiple worksheet, students write numbers as a product of primes to determine the least common multiple. Explanations and examples are provided. This two-page worksheet contains ten problems.
Curated OER
Least Common Multiple Practice 2
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice 3
In this least common multiples practice worksheet, learners examine sample problems and solve 20 problems that require them to find least common multiples.
Helping with Math
Factors with Prime and Composite Numbers (2 of 2)
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...