Place Value and Decimals

Mrs. YoungEMC 1

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

Understanding Decimal Placement

• Say I have the decimal 0.318– The 0 is in the ones place– The 3 is in the tenths place– The 1 is in the hundredths place– The 8 is in the thousandths places

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

Different Ways to Write

0.318Standard form: 0.318Word 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

How about another!

6.2

Standard form: 6.2

Word form: six and two tenths

Let’s try something different!

Write in standard form1. Eight and ninety seven

hundredths2. Sixty five thousandths3. Five and 8 tenths4. Fifty four and seventeen

hundredths

More practice!

Write each decimal in words

1) 0.3952) 4.563) 93.0094) 14.7

Even more practice!

Write the value of the underlined digit

1. 8.3412. 56.733. 0.8714. 82.081