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LESSON 5<br />

When we write a number, each digit has a<br />

place. Look at the number 52. We line up the<br />

ones place with the 2, <strong>and</strong> the 5 will be in the<br />

tens place. This means there are 2 units of one<br />

<strong>and</strong> 5 tens.<br />

5 GROUPS OF 10 2 ONES<br />

tens<br />

5 2<br />

ones (units)<br />

Where a digit is located in a place value chart<br />

tells the place value of that digit. Look at the<br />

digit 9 in the following numbers:<br />

Hang in there. Place<br />

value is very important.<br />

935<br />

91<br />

9<br />

The value of the digit is nine. The place value<br />

varies. In 935, the 9 means 9 hundreds. In 91,<br />

the 9 means 9 tens. In the number 9, the 9 means<br />

9 ones.<br />

54 • Applied Mathematics

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