Topic 3- Multiplying Whole Numbers

A musical is playing at a theater that has 628 seats. How many tickets are available for 33 shows?

• 20,000

• 20,724

• 20,100

• 18,000

A furniture manufacturer shipped 26 cartons to a store. Each carton weighed 235 pounds. What is the total weight of the cartons?

• 6,110

• 6,000

• 5,944

• 7,010

The West Rock School District ordered 118 cartons of math books. The books were shipped in cartons that each held 26 books. 

1. Estimate the total number of math books in the shipment. Write an equation to model your work. 

• 30 x 120 = 3600

• 25 x 100 = 2,500

• 20 x 120 = 2,400

• 25 x 120 = 250

The West Rock School District ordered 118 cartons of math books. The books were shipped in cartons that each held 26 books. 

1. Did you calculate an overestimate or an underestimate? Explain how you know.

• Overestimate because 118 became 100.

• Underestimate because 26 became 20

• Underestimate because 118 went to 100

• Overestimate because 26 went to 30

Is the equation below correct? Explain. 

7.9 x 10^4 = 7,900

• The equation is incorrect. The product should have 3 zeros.

• 1. The equation is correct. The decimal moved two places to the right. 

• The equation is incorrect. The product should have 0 zeros.

• The equation is incorrect. The product should have 2 zeros.

Ms. Gomez flies 876 miles round trip to visit her parents. What is the total distance in miles that she would fly for 12 visits to her parents’ house?

• 10,524

• 10,932

• 10,512

• 9,811

Nicole buys envelopes for her home office that come in boxes of 125 envelopes. If she buys 18 boxes, how many envelopes will she have in all?

• 2,135

• 3,212

• 2,110

• 2,250

On a family vacation, Aaron took 1,276 digital photos. His twin sister Ashley took 4 times as many photos as Aaron. Write and solve an equation to find p, the number of photos that Ashley took. 

• 1,276 x 4 = 5,104

• 1,276 x 3 = 3,828

• 1,276 x 5 = 6,380

• The value is undetermined

Multiply. 315 x 62 =

• 19,440

• 20,300

• 19,530

• 21,020

Select all the expressions that are equal to 7 x 10^4.

• 7 x 1,000

• 7 x 100

• 700 x 100

• 7 x 10,000

• 7 x 10