3rd: Place Value Math Vocabulary

Are put together to form a number

• Digit

• Number

• Round

• Standard form

are written 1 or more digits

• Digit

• Number

• Number Line

• Decompose

to put numbers together to create a larger number

• Decompose

• Digit

• Compose

• Word form

1. to break numbers apart into smaller pieces

• Compose

• Expanded form

• Digit

• Decompose

Numbers as shown as a distance from zero

• Number Line

• Round

• Expanded notation

• Number

to find the nearest ten, hundred, thousand, and so on to help estimate or check for reasonableness

• Expanded notation

• Round

• Compose

• Standard form

the “regular” way a number is written

• Standard form

• Word form

• Expanded form

• Picture Form

Digits and place values are written in words

• Standard form

• Word form

• Expanded form

• Expanded notation

a way to write a number that shows the value of each digit

• Standard form

• Word form

• Expanded form

• Expanded notation

a way to write a number that shows the place value of each digit

• Standard form

• Word form

• Expanded form

• Expanded notation