Number Sense Review #1 - 2020

Which is a prime number?

• 15
• 17
• 21
• 39

Is 100 a prime or composite number?

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Which number is prime?

• 9
• 5
• 0
• 1

Tags

CCSS.4.OA.B.4

Which of the following numbers shows all of the factors of 12?

• 1,2,3,4,6,12
• 1,2,3,4,6,8,12
• 1,2,4,6,12
• 2,4,6,8,10,12

Tags

CCSS.4.OA.B.4

Which group shows a list of composite numbers?

• 2,4,6,8,10
• 5,10,15,20,25
• 3,15,27,36,49
• 21,35,48,55,62

Tags

CCSS.4.OA.B.4

Using a Factor Tree, find the prime factorization of 75.

• 5² x 3

• 5 x 5 x 3 x 3

• 3² x 5

• 15 x 5

Use a number tree to find the prime factorization of 48

• 4x2x6
• 4x2²x3
• 3x2⁴
• 12x4

Tags

CCSS.4.OA.B.4

If the expanded form is 2⋅2⋅2⋅3⋅3⋅5⋅7 what would the exponential form be?

• 2⋅3⋅5⋅7
• 2³⋅3²⋅5⋅7
• 2²⋅3²⋅5⋅7
• 8⋅9⋅35

Tags

CCSS.6.EE.A.1

What is the expanded form and standard form for 3⁴?

• 3 + 3 + 3 + 3; 12

• 3 x 3 x 3 x 3; 27

• 4 x 4 x 4; 64

• 3 x 3 x 3 x 3 ; 81

Tags

CCSS.6.EE.A.1

What is the standard form of 2² x 3² x 5

• 120

• 180

• 90

• 140

Tags

CCSS.6.EE.A.1