Expanded form

Expanded form is a way of writing numbers to show the value of each digit. For example, 321 in expanded form is 300 + 20 + 1.

456 in expanded form is 400 + 50 + 6.

Rounding numbers makes them easier to work with by simplifying them to the nearest value, such as the nearest ten, hundred, or thousand.

250.

1,200.

Word form is writing a number using words instead of digits. For example, 321 in word form is 'three hundred twenty-one'.

789 in word form is 'seven hundred eighty-nine'.

In the number 5,432, the digit 5 is in the thousands place, so its value is 5,000.

In the number 2,345, the digit 2 is in the thousands place, so its value is 2,000.

1,005 in expanded form is 1,000 + 0 + 5.