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Information about Place Value and Decimals

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Objective To understand decimals up to ten-thousandths

Decimal Point The decimal point is ALWAYS read “ and ” The value of numbers to the right of the decimal point is less than one

The decimal point is ALWAYS read “ and ”

The value of numbers to the right of the decimal point is less than one

Understanding Decimal Placement Say I have the decimal 0.318 The 0 is in the ones place The 3 is in the ten ths place The 1 is in the hundred ths place The 8 is in the thousand ths places Notice that the place values after the decimal end in “TH”

Say I have the decimal 0.318

The 0 is in the ones place

The 3 is in the ten ths place

The 1 is in the hundred ths place

The 8 is in the thousand ths places

Notice that the place values after the decimal end in “TH”

Different Ways to Write 0.318 Standard form: 0.318 Word form: zero and three hundred eighteen thousandths OR three hundred eighteen thousandths

0.318

Standard form: 0.318

Word form: zero and three hundred eighteen thousandths OR three hundred eighteen thousandths

Let’s try another! 0.49 Standard form: 0.49 Word form: zero and forty-nine hundredths OR forty-nine hundreths

0.49

Standard form: 0.49

Word form: zero and forty-nine hundredths OR forty-nine hundreths

How about another! 6.2 Standard form: 6.2 Word form: six and two tenths

6.2

Standard form: 6.2

Word form: six and two tenths

Let’s try something different! Write in standard form Eight and ninety seven hundredths Sixty five thousandths Five and 8 tenths Fifty four and seventeen hundredths

Write in standard form

Eight and ninety seven hundredths

Sixty five thousandths

Five and 8 tenths

Fifty four and seventeen hundredths

More practice! Write each decimal in words 1) 0.395 4.56 93.009 14.7

Write each decimal in words

1) 0.395

4.56

93.009

14.7

Even more practice! Write the value of the underlined digit 8. 3 41 56.7 3 0.87 1 82. 0 81

Write the value of the underlined digit

8. 3 41

56.7 3

0.87 1

82. 0 81

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