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

2. 1.01
Writing
and
Reading Numbers

3. The number system is based on tens and uses 10 digits to write numbers.
One can use the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0 and a decimal point to write any number.
The decimal point separates the whole numbers (to the left of the decimal point) and the decimal numbers (to the right of the decimal point).

4. Numbers are read from left to right.
A place value chart can help you write numbers.
Millions
Thousands
Hundreds
Decimals
Ten Millions
Hundred Thousands
Ten Thousands
Tens
Ones
Decimal
Tenths
Hundredths
Thousandths
Whole Numbers

5. Write the following numbers.
To write a number, only use the word “and” to replace the decimal point.
Write the following numbers.
Three Hundred Forty Five
345
Twelve and Five Tenths
12.5
Eighty Seven and Four Thousandths
87.004

6. Write the following numbers using words.
58.07
Fifty Eight and 7 Hundredths
100.6
One Hundred and Six Tenths
Fifty Four Thousand Two Hundred Seventeen and Sixty Three Hundredths
54,217.63

7. 3,459,176.048 Use the following number. Thousandths
The digit 8 is in the __________________ place.
Hundreds
The digit 1 is in the __________________ place.
Find the digit in the tenths place.
Find the digit in the ones place. 6
Find the digit in the millions place. 3