Curated OER
Patterns
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. Answers are...
Curated OER
Factors and Prime Numbers
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...
Curated OER
Prime Hunt On The Internet
Eighth graders find information about primes on the Internet. They use directions for Sieve of Eratosthenes to find primes in the first 100 numbers. After a lecture/demo, 8th graders access a website imbedded in this plan to explore...
Curated OER
Prime and Composite Numbers, Prime Factorization
Students research prime and composite numbers. With a partner, students use graph paper to draw rectangles of various sizes. They list the dimensions of rectangles and discuss how the dimensions relate to the factors of each number....
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...
Math Solutions
Factor Game
Learning about factors and multiples is all fun and games with this simple math activity. The lesson begins with the teacher and class playing the Factor Game together as students figure out the rules and uncover key vocabulary as they...
Curated OER
Greatest Common Factor: Reteach
In this greatest common factor worksheet, students review the different ways to find the greatest common factor for numbers including listing all the factors and finding prime factorization with factor trees. Students then list the...
Curated OER
Factors
In this factors worksheet, students solve 10 problems in which a one or two digit number is analyzed and all the factors are listed. No examples are provided.
Curated OER
Prime and Composite Numbers
Sixth graders inspect prime and composite numbers. Using graph paper, they draw as many different shaped rectangles as possible. They use the dimensions of the rectangles to discuss prime and composite numbers. Students create a chart...
Curated OER
Factors
Factoring numbers helps prepare scholars for fractions and algebra, so build confidence by drilling this skill and promoting reflection in the process. Scholars start by listing factors for 18 numbers, none of which exceed 30. Next, they...
K12 Reader
Eratosthenes: Geographer and Mathematician
Mathematicians can be famous, too! Introduce your class to Eratosthenes with a reading passage. After they complete the passage, learners respond to five questions, some of which require opinions and others reading comprehension skills.
Curated OER
Least Common Multiple
In this least common multiple instructional 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....
Curated OER
Greatest Common Factor: Practice
In this greatest common factor worksheet, students list the factors for each number and find the greatest common factor of the numbers. Students then write the prime factorization using exponents of each number and find the greatest...
Curated OER
Factors
In this factors instructional activity, 7th graders solve and complete 20 different problems for determining the factors of each number listed. They find all the factors for each number given. Students divide each whole number by another...
Curated OER
Quick Quiz -Factors
In this identifying the factors and prime factorizations quiz worksheet, students list the factors and determine the prime factorizations of two-digit numbers. Students solve 10 problems.
Happy Maau Studios
Math Ref
Forgot how to multiply matrices? Well, this app can help. It is like a gigantic, well-organized reference card for all things math. Customize your personal reference material by adding your own notes and build up a personalized list of...
Norm Mitchell
Reteaching Page 4.3 Finding the Greatest Common Factor
A bit of instruction on how to find the greatest common factor opens the worksheet. Leanrers are then given three practice pairs of numbers. Then the assignment goes on to describe prime factorization, and also provides three more...
Curated OER
Not Sold At 7-11
In this algebra worksheet, learners rewrite a word problem using algebraic expressions. They have to figure out how many whole numbers can't equal the total when buying milk and bread.
Curated OER
Number Theory: The Sieve of Eratosthenes
In this number theory worksheet, students read about The Sieve of Eratosthenes and follow a set of directions to complete a prime number activity and answer 4 related questions.
Curated OER
More Factors and Multiples: Greatest Common Factor: Pre Test
In this greatest common factor worksheet, students answer multiple choice questions about problem solving and rules of the greatest common factor in numbers. Students complete 10 questions total.
Curated OER
Finding the Least Common Multiple
In this finding the least common multiple activity, 6th graders use two methods, a list of multiples or prime factorization, to find least common multiples.
Curated OER
Finding LCM
In this finding LCM learning exercise, students read a substantial amount of information about finding LCM for numbers, then complete 20 problems using the information given.
Curated OER
Least Common Multiple Practice 3
In this least common multiples practice instructional activity, learners examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice 2
In this least common multiples practice activity, students examine sample problems and solve 20 problems that require them to find least common multiples.