Divisor Duos
What is the greatest common factor of 12 and 18?
What is 6?
Find the GCF of 18 and 24.
What is 6?
You have 12 cookies and you want to share them equally with your 4 friends. What is the greatest number of cookies each person can get? (Hint: Think about dividing the cookies without any leftover)
What is 3 cookies?
Find the greatest common factor of 24 and 36.
What is 12?
What is the GCF of 35 and 50?
What is 5?
A baker needs 18 chocolate chips and 24 white chocolate chips to make two batches of cookies. What is the greatest number of cookies she can make using all the chocolate chips without any leftover?
What is 6 chocolate chips?
What is the greatest common factor of 40 and 80?
What is 40?
Identify the two numbers with the same GCF:
What is C?
or
What is 30 and 36?
or
What is C, 30 and 36?
A dance team practices in groups of 16 and 24 dancers. What is the greatest number of dancers that can practice together in a group without any leftover dancers from either team?
What is 8 dancers?
What is the the greatest common factor of 21 and 28?
What is 7?
A group of friends wants to plant 36 sunflower seeds and 48 marigold seeds in equal rows. What is the greatest number of plants they can plant in each row without any leftover seeds?
What is 12 plants?
You have 40 stickers and your friend has 60 stickers. What is the greatest number of equal groups you can form to share your stickers without any leftover stickers?
What is 20 groups?
What is the greatest common factor of 30 and 45?
What is 15?
Two painters need 20 and 36 brushes for their projects, respectively. What is the least number of brushes they can buy together if they don't want any leftover brushes?
What is 36 brushes?
A rectangular garden is 24 meters long and 36 meters wide. What is the greatest length of fencing, in meters, that can be used exactly around the garden without any leftover?
What is 12 meters?