Curated OER
Finding Factors
Fifth graders find the factors of given numbers. In this factorization lesson plan, 5th graders listen to a teacher explanation on how to factor a number. They find the factors of 20 numbers as they complete a worksheet.
Curated OER
Write the Factors
In this factorization instructional activity, students write the factors of the ten given numbers. The numbers given range from 2 to 10. There is an answer sheet included.
Curated OER
Finding Factors
Learners explore the concept of factoring numbers. In this factoring lesson, students factor numbers. Learners create a list of factors for each number.
Curated OER
Greatest Common Factor
In this math instructional activity, students solve 20 problems in which they find the greatest common factor of two 2 digit numbers. Students first list the factors of each number, then determine the GCF. Note: The space to write all...
Soft Schools
Soft Schools: Greatest Common Factor Worksheet
Find the greatest common factor between two numbers. You may set the total number of problems per page, the minimum and maximum numbers, and an answer key is optional.
Quia
Quia: Divisibility and Prime
If you enjoy playing the game Battle Ship you will enjoy this game. When you locate an enemy ship to get the hit you must correctly answer a question using your knowledge of divisibility rules and prime numbers. It is a fun way to...