Rounding Numbers Based on Underlined Digit Place Value

Round each number to the place value of the underlined digit.

1. 25 230 - the uderlined digit is 5
2. 48 870
3. 67 239
4. 98 345
5. 490 631

To round each number to the place value of the underlined digit, we need to identify the place value of the underlined digit and then round accordingly.

1. 25,230 - The underlined digit is 5 (in the thousands place).

   • Look at the digit to the right (2). Since 2 is less than 5, we round down.
   • Rounded number: 25,000

2. 48,870 - The underlined digit is 8 (in the thousands place).

   • Look at the digit to the right (7). Since 7 is 5 or greater, we round up.
   • Rounded number: 49,000

3. 67,239 - The underlined digit is 2 (in the hundreds place).

   • Look at the digit to the right (3). Since 3 is less than 5, we round down.
   • Rounded number: 67,200

4. 98,345 - The underlined digit is 3 (in the hundreds place).

   • Look at the digit to the right (4). Since 4 is less than 5, we round down.
   • Rounded number: 98,300

5. 490,631 - The underlined digit is 0 (in the thousands place).

   • Look at the digit to the right (6). Since 6 is 5 or greater, we round up.
   • Rounded number: 491,000

Here are the rounded numbers:

1. 25,000
2. 49,000
3. 67,200
4. 98,300
5. 491,000