Chapter 2 Review

Chapter 2 Review

Multiplication

Multiple Choice

What is the prime factorization of 28?

• 4x7

• 2x2x2x7

• 2x2x7

• 4x2

Multiple Choice

What is the prime factorization of 36?

• 4x9

• 12x3

• 3x2x2

• 3x2x2x3

Multiple Choice

Write each product as an exponent:

10x10x10

• 10x3

• 30

• 10³

• 1000

Multiple Choice

Write each power as the product of the same factor. Then find
the value.

 $4^3$  

• 4x4x4x4 = 256

• 4x4x4 = 12

• 4x4= 16

• 4x4x4 = 64

Multiple Choice

Find 20 x 60

• Basic Fact: 2x6 and add 2 zeros

  = 1200

• Basic Fact: 2x6 and add 1 zero

  = 120

• Multiply 20x60

  = 12,000

Multiple Select

Find 4,000 x 12

• Basic fact: 4x1 and 4x2

• Basic fact 4x12, then add the zeros

• Basic Fact 4x12

Multiple Choice

Find 61x7 using distributive property.

• = 60x7 + 1x7

• = (60x7) + (1x7)

• = (61x7) + (1x7)

Multiple Choice

Estimate by rounding:

54 x 68 =

• 50 x 70 = 3500

• 55 x 70 =3,850

• 50 x 60 = 3,000

• 50 x 100 = 5,000

Multiple Choice

Estimate using compatible numbers.

9 x 46 =

• 450

• 414

• 400

• 500

Multiple Choice

Find

501 x 6 =

• 3,006

• 3,000

• 3,600

• 3,060

Multiple Choice

Find

704 x 3 =

• 2,002

• 2,200

• 2,112

• 2,112

Multiple Choice

Find

81 x 93 =

• 7,335

• 7,535

• 7,533

• 7,333