LCM and GCF Review Real World and Problems

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

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

The school cafeteria serves tacos every sixth day and cheeseburgers every eight day. If tacos and cheeseburgers are both on today’s menu, how many days will it be before they are both on the menu again?

• 14 days

• 24 days

• 34 days

• 44 days

Jenny goes to karate class every 12 days.and too the library every 18 days. On December 1st she went to both class and the library. On what date will she do both class and go to the library?

• 24 days

• 36 days

• 42 days

• 52 days

At a family reunion, each of Saria’s aunts and uncles is getting photographed once. The aunts are taking pictures in groups of 5 and the uncles are taking pictures in groups of 10. If Saria has the same total number of aunts and uncles, what is the minimum number of aunts that Saira must have?

• LCM = 10 Aunts

• LCM = 15 Aunts

• LCM= 20 Aunts

• LCM= 5 Aunts

Shannon is making identical balloon arrangements for a party. She has 32 maroon balloons, 24 white
balloons, and 16 orange balloons. She wants each arrangement to have the same number of each
color. What is the greatest number of arrangements that she can make if every balloon is used?

• 6

• 2

• 4

• 8