## Topic outline

• ### Place Value and Expanded Form of 3 Digit Numbers

• Place Value (3 digit Number)

The value of a digit because of its place or position in a number is called its place value.

Let’s consider number 145. Arrange the digits in place value chart as given below.

Place value chart

Number such as 145, have three digits and each digit has a different place value,

Place value of 1 is 1 hundred = 100 (1 set of hundred)

Place value of 4 is 4 tens = 40 (4 sets of tens)

Place value of 5 is 5 ones = 5 (5 sets of ones)

Expanded form is a way to write a number that shows the sum of values of each digit of a number.

The expanded form of 145 is

100 + 40 + 5

OR

1 hundred + 4 tens + 5 ones
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