Finding LCM: Fun Real-Life Challenges for Grade 6

1. Sarah has 12 apples and 18 oranges. She wants to arrange them in baskets with the same number of fruits in each basket. What is the least number of fruits she can put in each basket?

• 10

• 8

• 6

• 4

2. A school has 8 classes of 24 students each and 6 classes of 30 students each. If they want to organize a field trip with the same number of students in each bus, what is the least number of students per bus?

• 18

• 6

• 12

• 24

3. Tom and Jerry are playing a game where they jump rope. Tom jumps every 4 seconds and Jerry jumps every 6 seconds. How often will they jump at the same time?

• 15 seconds

• 10 seconds

• 12 seconds

• 8 seconds

4. A gardener is planting flowers in rows. He has 15 red flowers and 20 yellow flowers. What is the maximum number of rows he can plant if he wants to have the same number of flowers in each row?

• 5

• 4

• 3

• 6

5. A factory produces 36 toys every 4 hours and 48 toys every 6 hours. If they want to package the toys in boxes with the same number of toys, what is the least number of toys per box?

• 10

• 8

• 6

• 12

6. Lisa and Mark are running around a track. Lisa completes a lap every 5 minutes, and Mark completes a lap every 8 minutes. How long will it take for them to meet at the starting point again?

• 50 minutes

• 40 minutes

• 30 minutes

• 60 minutes

7. A baker is making cupcakes. He has 18 chocolate cupcakes and 24 vanilla cupcakes. What is the largest number of boxes he can use if he wants to put the same number of cupcakes in each box?

• 4

• 12

• 8

• 6

8. Two friends are collecting stickers. One collects a sticker every 3 days, and the other collects one every 5 days. How many days will it take for them to collect stickers on the same day again?

• 10 days

• 12 days

• 15 days

• 20 days

9. A music teacher has 15 students who play the piano and 20 students who play the guitar. If she wants to form groups with the same number of students in each group, what is the maximum number of students per group?

• 3

• 7

• 5

• 10

10. A pet store has 10 cats and 15 dogs. If they want to create playgroups with the same number of pets in each group, what is the largest number of pets they can have in each group?

• 7

• 5

• 3

• 8