GCF & LCM Word Problems Challenge

What are the keywords for identifying a Greatest Common Factor problem?

• Equal, Same

• Multiple, Factor

• Highest, Greatest

• Smallest, Least

In the first word problem, what is the smallest number of hot dogs and buns Ashton can buy to have an equal number of each?

• 40

• 20

• 50

• 30

How many packages of hot dogs does Ashton need to buy if each package contains 10 hot dogs?

• 2

• 3

• 4

• 5

Tags

CCSS.3.OA.A.3

How many packages of buns does Ashton need to buy if each package contains 8 buns?

• 7

• 6

• 5

• 4

Tags

CCSS.3.OA.A.3

What is the keyword that indicates a Greatest Common Factor problem in the second word problem?

• Smallest

• Equal

• Least

• Highest

What is the greatest common factor of 24 and 18?

• 8

• 6

• 3

• 2

How many necklaces can Miss Sawyer make with 24 crystals and 18 pearls?

• 3

• 4

• 5

• 6

How many crystals will each necklace have if Miss Sawyer makes the maximum number of necklaces?

• 3

• 2

• 4

• 5

Tags

CCSS.3.OA.A.3

How many pearls will each necklace have if Miss Sawyer makes the maximum number of necklaces?

• 5

• 4

• 3

• 2

Tags

CCSS.3.OA.A.3

What method is used to find the least common multiple and greatest common factor in the problems?

• Grid method

• Tree method

• Line method

• Cake method