Lesson 2.1 GCF

Find the GCF of the pair of numbers: 60 and 72

• 12
• 6
• 2
• 18

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

Jane has 18 juice boxes, 24 bags of peanuts and 36 apples.  She wants to make snack bags with the same number of each thing in each bag.  What is the greatest number of snack bags Jane can make.

• 4
• 6
• 8
• 10

A store is organizing toys into bins. The toys must be put into bins so that each bin contains the same number of toys without mixing the toys.
 What is the greatest number of toys that can be put in a bin?
               Toys to Place in Bins
      Toy                              Number of Toys
Anemones                            12
Limpets                                 14
Snails                                    18

• 1 of each toy 
• 2 of each toy 
• 3 of each toy 
• 4 of each toy 

 Find the GCF of each set of numbers. 
28, 42, 56

• 14
• 4
• 7
• 8

Lola is placing appetizers on plates. She has 63 spring rolls and 84 cheese cubes. She wants to include both appetizers on each plate. Each plate must have the same numbers of spring rolls and cheese cubes. What is the greatest number of plates she can make using all of the appetizers? How many of each type of appetizer will be on each of these plates?

• 19 plates; 4 spring rolls and 5 cheese cubes

• 21 plates; 3 spring rolls and 4 cheese cubes

• 23 plates; 2 spring rolls and 6 cheese cubes

• 18 plates; 5 spring rolls and 3 cheese cubes

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

Lisa is making activity baskets to donate to charity.  She has 12 coloring books and 36 crayons.  What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets?

• 2
• 12
• 36
• 6

Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers
for her teacher 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?

• 2
• 4
• 6
• 8