LCM and GCF

Kiara baked 36 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for her friends at school. She wants to divide the cookies into identical containers so that each container has the same number of each kind of cookie. If she wants each container to have the greatest number of cookies possible, how many plastic containers does she need?

• 6 plastic containers

• 12 plastic containers

• 36 plastic containers

• 144 plastic containers

The table shows the number of students in the school choir.

The choir teacher plans to arrange the students in equal rows. Only girls or boys will be in each row. What is the greatest number of students that could be in each row?

• 6

• 12

• 8

• 4

How often will a bag contain all three items?

• every 12 bags

• every 24 bags

• every 18 bags

• every 144 bags

Shara is baking cookies to put in packages for a fundraiser. Shara has made 54 chocolate chip cookies and 63 sugar cookies. Shara wants to create identical packages of cookies to sell, and she must use all of the cookies. What is the greatest number of identical packages that Shara can make?

• 9 packages

• 42 packages

• 378 packages

• 18 packages

Which pair of numbers has a GCF of 10 AND a LCM of 60?

• 2 and 5

• 20 and 30

• 5 and 10

• 15 and 20

Tags

TEKS.MATH.6.7A

Match the following

• more!

  (Example: 3: 3, 6, 9, 12, 15, 18)

• Factors mean

• fewer!

  (Example: 12: 1, 2, 3, 4, 6, 12)

• Multiples mean

• Least Common Multiple

• LCM stands for...

• Greatest Common Factor

• GCF stands for...

The Ferry's wheel at an amusement park runs every 30 minutes, and the roller coaster operates every 25 minutes. if the two rides are running now, how many hours will it take for them to be running together at the same time again?

• 50 minutes

• 75 minutes

• 125 minutes

• 150 minutes

A high-flying event manager, Laura organizes an event every 2 days. A small-time event organizer, Kevin host an event per week. If both Laura and Kevin are organizing events today, how long will it be until the two operate on the project on the same day again?

• 8 days

• 10 days

• 14 days

• 15 days

Hot dogs come in packs of 10, while hot dog buns come in packs of 12. You would like to buy enough of each (hot dogs and buns) so that when you put together the hog dogs with the buns, you have nothing left over. What is the least number of hot dog/buns you can make?

• 36

• 48

• 52

• 60

Sara had 16 red flowers and 24 yellow flowers.  She wants to make bouquets with the same number of each color flower in each bouquet.  What is the greatest number of bouquets that she can make?

• 4

• 2

• 48

• 8