Chapter 1 Exam

A PRIME NUMBER is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

Which number below is NOT PRIME?

• 2
• 11
• 13
• 18

Tags

CCSS.4.OA.B.4

Which one shows ALL of the factors of 6?

• 1, 6, 12
• 1, 2, 3, 6
• 1, 2, 3,
• 1, 6

Tags

CCSS.4.OA.B.4

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24

Tags

CCSS.4.OA.B.4

Find the Greatest  Common Factor (GCF) of 14 & 22.

• 1
• 2
• 7
• 14

Tags

CCSS.6.NS.B.4

Find the Greatest Common Factor (GCF) OF 12,  18 & 30

• 1
• 3
• 6
• 12

Tags

CCSS.4.OA.B.4

Find the prime factorization of 40

• 2 x 5 x 2
• 2 x 20
• 5 x 8
• 2 x 2 x 2 x 5

What is the prime factorization of 15?

• 3x3x3
• 2x2x5
• 15
• 3x5

Tags

CCSS.4.OA.B.4

What is the LCM of 4 and 12? 

• 4
• 8
• 12
• 16

Tags

CCSS.4.OA.B.4

What is the LCM of 32 and 40?

• 180
• 160
• 140
• 200

Tags

CCSS.6.NS.B.4