1. Decimals
Let’s Get To The Point!

2. Decimals
Decimals are based on a whole being split into ten equal parts one or more times.
Decimals are numbers that are expressed using a decimal point.
The U.S. monetary system is based on the decimal system.

3. I already know decimals!
Wait a second…
The U.S. monetary system is based on the decimal system.
That means…
If I know money,
I already know decimals!

4. How much does a soda cost?

5. How much does a soda cost?
5 Dimes
50 Pennies
50 Cents
$.50 (Hey, that’s a decimal!)

6. What does Fifty-Cent look like?

7. What does Fifty-Cent look like?
Not Quite…
Wrong guy and wrong thing to define.
I want to know what $.50 looks like.

8. What does $.50 look like?
50 Pennies, .50, 50/100
5 Dimes, .5, 5/10,

9. What does $.47 look like? 47 Pennies, .47, 47/100
Oops…Not quite 5 dimes

10. A little more than 8 dimes
What does $.82 look like?
82 Pennies, .82, 82/100
A little more than 8 dimes

11. Learning Place Values
We can extend the whole number place value chart to include decimal values.
The decimal point is read as and.
The place right after the decimal point is in the tenths spot, then hundredths, then thousands…

12.
9 is in the tens place
8 is in the

13. 98.7654 9 is in the tens place 8 is in the ones place Decimal

14. 98.7654 9 is in the tens place 8 is in the ones place Decimal
7 is in the tenths place
6 is in the

15. 98.7654 9 is in the tens place 8 is in the ones place Decimal
7 is in the tenths place
6 is in the hundredths place
5 is in the

16. 98.7654 9 is in the tens place 8 is in the ones place Decimal
7 is in the tenths place
6 is in the hundredths place
5 is in the thousandths place
4 is in the

17. 98.7654 9 is in the tens place 8 is in the ones place Decimal
7 is in the tenths place
6 is in the hundredths place
5 is in the thousandths place
4 is in the ten-thousands place

18. How would I say 67.34?

19. How would I say 67.34?
Sixty-seven

20. How would I say 67.34?
Sixty-seven AND

21. How would I say 67.34?
Sixty-seven AND thirty-four

22. How would I say 67.34?
Sixty-seven AND thirty-four hundredths

23. How would I say ?

24. How would I say ?
Two hundred thirteen

25. How would I say ?
Two hundred thirteen AND

26. How would I say ?
Two hundred thirteen AND nine hundred seventy-two

27. How would I say ?
Two hundred thirteen AND nine hundred seventy-two thousandths

28. How would I say ?

29. How would I say ?
Ninety Eight

30. How would I say ?
Ninety Eight AND

31. How would I say ?
Ninety Eight AND seven thousand six hundred fifty-four

32. How would I say ?
Ninety Eight AND seven thousand six hundred fifty-four ten-thousandths

33. What have I learned today?
What is a decimal?
Decimal Place Values
Read Decimals

34. You are now a Decimal Champion!

35. Now the Good Part…Applying what you have learned.
Pages 60-61
Numbers 1-18