Unit 3 Review

Find the quotient: 3,744 ÷ 8

• 468
• 378

• 586
• 938

The inverse operation is ________________.

• always multiplication

• the opposite of what you used to solve the problem

• a way to check your answer

• always addition

Find the quotient: 7,590 ÷ 22

• 345
• 326

• 426

• 455

Dr. Brown solved the following division problem like this:

2,744 ÷ 7 = 392

She wanted to check her work using the inverse operation. Which choice shows how she should check her answer?

• 2,744 x 7

• 392 x 7

• 7 ÷ 2,744

• 392 - 7

Find the product: 721 x 64

• 46,112
• 46,144
• 46,128
• 45,340

What is 10⁵ x 26?

• 2,600,000
• 26,000,000
• 260,000,000
• 260,000

What is 4.6 x 10³?

• 4.6
• 46
• 460
• 4600

In the number 73,472 the underlined 7 is how much of the value of the 7 that is NOT underlined?

• 10 times the value

• 1/10 the value

• 1/1,000 the value

• 1/100 the value

In a flower shop, there are 24 roses in each vase. If there are 102 vases in the flower shop, how many roses are there total?

• 2,500

• 2,448

• 2,234

• 2,608

Mr. Bennett and Mrs. Meredith wanted to make chocolate chip cookies for the class. They had 435 chocolate chips total. If the recipe calls for each cookie to have 18 chocolate chips, how many cookies can they make? (Remember, what should you do with the remainder??)

• 24
• 25

• 36
• 48