M1T1 Test Review

Select all of the prime numbers.

• 1

• 19

• 31

• 2

• 51

Tags

CCSS.4.OA.B.4

What is the prime factorization of 60?

• 5 • 12

• 2 • 3 • 3 • 5

• 2 • 2 • 3 • 5

• 2 • 2 • 2 • 2 • 2 • 2 • 2

Find the prime factorization of 108

• 2 • 2 • 2 • 3 • 3

• 2 • 2 • 3 • 3 • 3

• 2 • 2 • 2 • 2 • 2 • 3

• 2 • 3 • 7 • 11

What is the greatest common factor of 36 and 40

• 2

• 9

• 4

• 8

What is the greatest common factor of 60 and 75

• 2

• 5

• 15

• 25

What is the LCM of 18 and 20?

• 2

• 10

• 90

• 180

What is the LCM of 6 and 16

• 2

• 48

• 24

• 8

The school cafeteria serves tacos every sixth day and cheeseburgers every eight day. If tacos and cheeseburgers are both on today’s menu, how many days will it be before they are both on the menu again?

• 14 days
• 24 days
• 34 days
• 44 days

Joanne is campaigning for class president and plans to distribute some campaign materials: 20 flyers and 16 buttons. She wants each classroom to receive an identical set of campaign materials, without having any materials left over. What is the greatest number of classrooms Joanne can distribute materials to?

• LCM, 4 classrooms

• GCF, 8 classrooms

• GCF, 4 classrooms

• LCM, 80 classrooms

Melanie and Martin are both building a toy train track out of connecting pieces. Melanie has pieces that are 8 inches long while Martin's pieces are 20 inches long.  How long will the shortest track be that they can each build with the same length?

• 2
• 40
• 4
• 20