GCF and LCM

Front

How many participants received both a pencil and a notebook when every 6th student received a pencil and every 9th student received a notebook among 100 students?

Back

5 students

Front

Ralph and his brother check the ferris wheel at different intervals. Ralph checks every 15 minutes, and Joe checks every 24 minutes. At what time will they meet at the ferris wheel again?

Back

3:00 PM

Front

Mrs. McCoy makes flower arrangements with 36 red carnations, 60 white carnations, and 72 pink carnations. Each arrangement must have the same number of each color. What is the greatest number of arrangements she can make if she uses every carnation?

Back

12 arrangements

Front

Juice comes in packs of 6 and granola bars come in packs of 8. If there are 24 players on the soccer team, what is the least number of packs needed so that each player has a drink and granola bar, and there are none left over?

Back

4 packs juice, 3 packs granola bars

Front

GCF of 4 and 12?

Back

4

Front

Which of the following is a multiple of 7? Options: 14, 17, 22

Back

14

Tags

CCSS.4.OA.B.4

Front

Which of the following is not a multiple of 9?

9

,

19

,

90

Back

19

Tags

CCSS.4.OA.B.4

Front

Every third visitor to a museum gets a free bumper sticker. Every fifth visitor to that museum gets a free key chain. Which visitor each day will be the first one to get both the bumper sticker and the key chain?

Back

15th

Front

Which pair of numbers has a GCF of 6? Options: 3 and 18, 6 and 12, 12 and 24

Back

6 and 12

Front

Which pair of numbers has a LCM of 20? Options: 4 and 5, 2 and 10, 5 and 10

Back

4 and 5