Unit 5 Review Multiply Multi-Digit Whole Numbers

Which is equivalent to 10^5? Choose all that apply.

• 100,000

• 10 × 10 × 10 × 10 × 10

• 10 × 5

• 10 × 10 × 10 × 10 × 10 × 10

• 10 × 10 × 10 × 10

Which is equivalent to 75 × 10⁴?

• 750

• 75,000

• 750,000

• 7,500,000

A square has side length of 10. Which represents the area of the square? Choose all that apply.

• 10 × 2

• 10^2

• 100

• 10 + 10 + 10 + 10

• 10 × 10

What exponential form completes the equation? 81 × ________ = 81,000

• 10

Which is the most reasonable estimate for 29 × 681?

• 20 × 600

• 30 × 700

• 200 × 700

• 300 × 600

A rectangular pasture measures 618 feet long and 32 feet wide. About how much is the area of the pasture?

Which sum shows how to calculate 26 x 648 using partial products?

• 
• 
• 

Which product is shown by the area model?

• 70 x 300 = 21, 000

• 70 x 346 = 24,220

• 74 x 346 = 24, 524

• 74 x 346 = 25, 604

A taxi service charges $57 for a ride from the suburbs to an airport. During one week, the company had 38 fares. How much money did the taxi company earn?

• $627

• $1,556

• $2,166

• $2,400

What is the product? Use an algorithm.