1. Cell phone use is prohibited.
Students:
Today is a red light day.
Cell phone use is prohibited.
This is your warning.

2. 6,387.125 Write the following numbers. Use the following number. 1)
Six and Eight Tenths
6.8 2)
Two Thousand One Hundred Six
2,106 3)
Eighteen and 47 Thousandths
18.047
Use the following number. 6,
Hundredths
4) The digit 2 is in the __________________ place.
Ones
5) The digit 7 is in the __________________ place.

3. 1.02
Rounding
Numbers

4. The place value chart is used to round numbers.
If the digit to the right of the place value you want to round is 5 or more, round up by adding 1 to the number in the place value and the change all the numbers to the right of the place value to zeroes.
If the digit to the right of the place value you want to round is 4 or less, round down by changing all the numbers to the right of the place value to zeroes.

5. 8,273 8,270 8,300 Use the following number. Round to the nearest ten.
(Examine the ones digit)
(Since the ones digit is less than 5, the tens digit stays the same)
8,270
(Replace the 3 with a zero)
Round to the nearest hundred.
(Examine the tens digit)
(Since the tens digit is greater than or equal to 5, add 1 to the hundreds digit)
8,300
(Replace the 3 and 7 with zeroes)

6. 0.284 0.300 0.280 Use the following number.
Round to the nearest tenth.
(Examine the hundredths digit)
(Since the hundredths digit is greater than or equal to 5, add 1 to the tenths digit.
0.300
(Replace the 8 and 4 with a zeroes)
Round to the nearest hundredths.
(Examine the thousandths digit)
(Since the thousandths digit is less than 5, the hundredths digit stays the same.)
0.280
(Replace the 4 with a zero.)

7. Round the following dollar amounts to the nearest cent.$
$125.35
$32.782
$32.78 $ $ $
$206.43