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## PowerPoint Slideshow about 'Decimals' - wes

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### Decimals

Let’s Get To The Point!

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.

Wait a second…

- The U.S. monetary system is based on the decimal system.
- That means…
If I know money,

I already know decimals!

How much does a soda cost?

- 5 Dimes
- 50 Pennies
- 50 Cents
- $.50 (Hey, that’s a decimal!)

What does Fifty-Cent look like?

Not Quite…

Wrong guy and wrong thing to define.

I want to know what $.50 looks like.

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…

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

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

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

How would I say 67.34?

Sixty-seven

How would I say 67.34?

Sixty-seven AND

How would I say 67.34?

Sixty-seven AND thirty-four

How would I say 67.34?

Sixty-seven AND thirty-four hundredths

How would I say 213.972?

Two hundred thirteen

How would I say 213.972?

Two hundred thirteen AND

How would I say 213.972?

Two hundred thirteen AND nine hundred seventy-two

How would I say 213.972?

Two hundred thirteen AND nine hundred seventy-two thousandths

How would I say 98.7654?

Ninety Eight

How would I say 98.7654?

Ninety Eight AND

How would I say 98.7654?

Ninety Eight AND seven thousand six hundred fifty-four

How would I say 98.7654?

Ninety Eight AND seven thousand six hundred fifty-four ten-thousandths

What have I learned today?

- What is a decimal?
- Decimal Place Values
- Read Decimals

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