GoMath Chapter 1.1

Define the following word: Estimate

• to replace a number with another number that tells about how many or how much.

• each group of three digits separated by commas in a multi-digit numbers

• a number close to an exact amount

Define the following word: Expanded Form

• a way to write numbers by showing the value of each digit

• each group of three digits separated by commas in a multi-digit numbers

• a way to write a number by using the digits 0-9 with each digit having place value

Define the following word: Period

• a way to write numbers by using words

• each group of three digits separated by commas in a multi-digit numbers

• a way to write a number by using the digits 0-9 with each digit having place value

Define the following word: Round

• a number close to an exact amount

• a way to write numbers by using words

• to replace a number with another number that tells about how many or how much.

Define the following word: Standard Form

• a way to write a number by using the digits 0-9 with each digit having place value

• a way to write numbers by showing the value of each digit

• a number close to an exact amount

Define the following word: Word Form

• a number close to an exact amount

• a way to write numbers by showing the value of each digit

• a way to write numbers by using words

Find the value of the underlined digit:

546,300

• 30

• 300

• 3,000

• 30,000

Find the value of the underlined digit:

980,650

• 900

• 9,000

• 90,000

• 900,000

Find the value of the underlined digit:

345,890

• 50

• 500

• 5,000

• 50,000

Find the value of the underlined digit:

67,908

• 70

• 700

• 7,000

• 70,000