Ch. 1: Place Value, Addition and Subtraction Review

A ________________ is close to an exact amount.

• round

• estimate

• period

• sum

You can _________________ to find an estimate.

• round

• add

• subtract

• estimate

Compare the values of the underlined digits.

746,291 and 42,805

The value of the 2 in 42,805 is ________ times the value of the 2 in 746,291.

• 10

• 20

• 100

• 200

What is two hundred thirty seven thousand, eight hundred twelve in standard form?

• 273,182

• 200,370,812

• 23,781

• 237,812

What is 835,207 in expanded form?

• 800,000 + 3,000 + 5,000 + 200 + 7

• 80,000 + 3,000 + 500 + 20 + 7

• 800,000 + 30,000 + 5,000 + 200 + 7

• 800,000 + 30,000 + 5,000 + 200 + 70

What is 600,000 + 40,000 + 800 + 20 in standard form?

• 6,482

• 640,820

• 604,802

• 648,020

500,053 ____ 84,376

• <

• >

• =

94,397 ____ 94,379

• <

• >

• =

Round to the place of the underlined digit. 553,965

• 500,000

• 550,000

• 600,000

• 553,000

Round to the place of the underlined digit. 392,177

• 392,000

• 400,000

• 390,000

• 393,000