1. Thousands to Thousandths
Unit 2 Lesson 2

2. Reading Decimals Say what you see before the decimal
Say “and” for the decimal
Say what you see after the decimal
Say the place value of the final digit
To write in words, you write what you say

3. three hundred twenty-four thousandths
five hundred eighty
and
three hundred twenty-four thousandths

4. Partner A
1 . 46
One
and
forty-six hundredths

5. four hundred one thousandths
Partner B
sixty seven
and
four hundred one thousandths

6. 3 . 47 A. three and forty seven tenths
B. Three and forty seven thousandths
3 . 47
C. three and forty seven hundredths
D. Three and forty seven hundreds

7. 17 . 082 A. seventeen B. seventeen and and eighty-two tenths
eighty-two hundredths
C. seventeen thousand eighty two
D. seventeen
and
eighty-two thousandths

8. How would you write this # in word form?. th 1 . 7 2
A zero at the end of a decimal number does not change the number’s value ,

9. One and seventy-two hundredths. th 1 . 7 2
A zero at the end of a decimal number does not change the number’s value ,

10. What place is the 4 in ?
26.548 th h t o . th . ,

11. What place is the 4 in ?
26.548 th h t o . th
hundredths 2 6 . 5 4 8 ,

12. What number is in the
thousandths place?
8.097

13. What number is in the
thousandths place?
8.097

14. Write down the number that is not equivalent to the other values

15. Word form: thirty-six and eighty-two hundredths
Getting the Idea!
When a number is written as the sum of the products of each digit and its place value, it is written in expanded form.
Standard form: 36.82
Word form: thirty-six and eighty-two hundredths
Expanded form:
You can use a place-value chart to write numbers in expanded form.

16. Question: What is 71.85 written in expanded form?
Strategy: Use a place-value chart.
Step 1:
Place each digit in the place-value chart.
Tens
Ones .
Tenths
Hundredths 7 1 8 5
Step 2: Write the value of the digit in the greatest place.
7 tens equals 70
Step 3: Place an addition sign to the right of the number. Then write the value of the digit in the next greatest place.
70 + 1
70 tens plus 1 ones equals 71

17. Step 4: Continue for the remaining numbers.
Tens
Ones .
Tenths
Hundredths 7 1 8 5
Step 4: Continue for the remaining numbers.
70 tens + 1 ones + 8 tenths + 5 hundredths = 71.85
Solution: The number written in expanded form is: or /10 + 5/100

18. Step 1: Place each digit in the place-value chart.
Question: What is written in expanded form?
Step 1: Place each digit in the place-value chart.
Hundreds
Tens
Ones .
Tenths
Hundredths
Thousandths 6 8 9 1
Step 2: Write the value of the digit in the greatest place. Write an addition sign, and then write the value of the digit in the next greatest place.

19. Question: What is the expanded form of 42.07?
Thinking It Through: What is the value of each digit?
There are ________ tens = ________.
There are ________ ones = ________.
There are ________ tenths = ________.
There are ________ hundredths = ________.
Solution: The expanded form of is: _____________________