Lesson 1-6
Round Whole Numbers
1. There are 23,271 coins in a fountain. To the nearest thousand, how many coins are there?
23,271
22000
23000
24000
25000
On the number line, 23,271 is closer to 23,000 than to 24,000. So, round 23,271 to 23,000.
2. A radio station claims to have 257,239 listeners on average every day. How many listeners is this
rounded to the nearest ten thousand?
257,239
240000
250000
260000
270000
On the number line, 257,239 is closer to 260,000 than to 250,000. So, round 257,239 to 260,000.
3. Maysville is 321 miles from Chambersville and 388 miles from Clarkstown. About how far is it to
each city to the nearest ten miles? Which city is closer to Maysville?
321 is closer to 320 than 330. So, Chambersville is about 320 miles from Maysville.
388 is closer to 390 than 380. So, Clarkstown is about 390 miles from Maysville.
So, Chambersville is closer to Maysville.
4. Round 622,684 acres to the nearest thousand.
Step 1
Underline the digit to be rounded.
622,684
Step 2
Look at the digit to the right of the underlined digit, which is 6.
622,684
Step 3
Since this digit is 5 or greater, add 1 to the underlined digit.
623,684
Step 4
Replace all digits after the underlined digit with zeros.
623,000
To the nearest thousand, 622,684 is rounded to 623,000.