GCF and LCM Practice

Jenny goes to dance class every 6 days and karate class every 9 days.  If she did both today, in how many days will she do both again? 

• 18 days
• 24 days
• 36 days
• 54 days

Tags

CCSS.6.NS.B.4

The pet shop is putting together goody bags to send to different shelters.  They have 36 chew toys, 24 dog bones and 18 chase toys for cats.  What is the maximum number of goody bags will they be able to make to send to shelters? 

• 4 bags
• 8 bags
• 6 bags
• 12 bags

Tags

CCSS.6.NS.B.4

Which of the following is a multiple of 8?

• 8
• 2
• 4
• 100

Tags

CCSS.4.OA.B.4

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

Tags

CCSS.6.NS.B.4

Fill in the missing multiple.
3:  3, 6, 9, ___, 15, 18, 21

• 10
• 11
• 12
• 13

Tags

CCSS.2.NBT.A.2

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

• 7
• 14
• 22
• 28

Tags

CCSS.4.OA.B.4

List all the factors of 18

• 1, 6, 9, 18
• 1, 2, 3, 4, 18
• 1, 2, 3, 6, 9, 18
• 2, 6, 9, 18

Tags

CCSS.4.OA.B.4

What is the GCF of 24 and 40?

• 1
• 2
• 4
• 8

Tags

CCSS.6.NS.B.4

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

Tags

CCSS.6.NS.B.4

CCSS.6.RP.A.3

Ian goes hiking every 4 days and swimming every 6 days. He did both kinds of exercise today. How many days from now will he go both hiking and swimming again?

• 2 days
• 12 days
• 24 days
• 48 days

Tags

CCSS.6.NS.B.4