Whole numbers in written form review

CCSS Math: 4.NBT.A.2
Review writing whole numbers in written form, and try some practice problems.

Written form

Written form is a way to write numbers using only words.

Example

Let's write 7,229\blueD7{,}\purpleD2\greenD2\maroonD9 in expanded form.
ThousandsHundredsTensOnes
7\blueD72\purpleD22\greenD29\maroonD9
7229=7 thousands7229=\blueD{7}\text{ thousands} +2 hundreds++\,\purpleD{2}\text{ hundreds}+ 2 tens+9 ones\greenD{2}\text{ tens}+\maroonD9\text{ ones}
7229=7000+200+20+9\phantom{7229}=\blueD{7000}+\purpleD{200}+\greenD{20}+\maroonD9
72297229 in written form is seven thousand, two hundred twenty-nine\text{\blueD{seven thousand},\purpleD{ two hundred}\greenD{ twenty-}\maroonD{nine}}
Want to learn more about written form? Check out this video.

Practice

Want to try more problems like this? Check out this exercise.