Finding GCF and LCM in Fun Word Problems!

1. Sarah has 24 apples and 36 oranges. What is the greatest common factor (GCF) of the number of apples and oranges she has?

• 24

• 12

• 18

• 6

2. Tom is making gift bags with 18 candies and 30 stickers. What is the least common multiple (LCM) of the number of candies and stickers he can use to make equal bags?

• 72

• 108

• 90

• 60

3. A gardener has 48 red flowers and 60 yellow flowers. If he wants to plant them in rows with the same number of flowers in each row, what is the GCF of the two amounts?

• 12

• 24

• 6

• 30

4. Emily is baking cookies and needs 15 chocolate chips and 25 nuts for each batch. What is the LCM of the number of chocolate chips and nuts she needs to make equal batches?

• 60

• 50

• 75

• 100

5. A teacher has 36 pencils and 48 erasers. If she wants to distribute them equally among students, what is the GCF of the pencils and erasers?

• 18

• 12

• 24

• 6

6. Mark is organizing his toy cars and action figures. He has 20 toy cars and 30 action figures. What is the LCM of the two amounts if he wants to display them in equal groups?

• 40

• 30

• 60

• 50

7. A recipe requires 12 cups of flour and 18 cups of sugar. What is the GCF of the flour and sugar amounts if he wants to make the largest batch possible?

• 8

• 6

• 4

• 10

8. Lisa is arranging her collection of 15 dolls and 25 stuffed animals. What is the LCM of the two amounts if she wants to create equal display sections?

• 50

• 60

• 100

• 75

9. A baker has 40 muffins and 60 cupcakes. If he wants to pack them in boxes with the same number of items, what is the GCF of the muffins and cupcakes?

• 10

• 50

• 20

• 30

10. A school is planning a field trip and has 28 students and 42 chaperones. What is the LCM of the number of students and chaperones to ensure everyone can be grouped equally?

• 56

• 72

• 84

• 96