Decimals - Thousandths

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Block showing one whole unit1 whole unit can be split into 1,000 equal parts. Each part is one thousandth.place value block showing 1000 thousandths

 

Or we can show the same thing this way:

Block showing one whole unitOne (1) whole unit
Block showing one whole split into tenthsSplit into ten equal parts (tenths)
block showing 100 hundredthsEach tenth split into ten equal parts (hundredths)
place value block showing 1000 thousandthsEach hundredth split into ten equal parts
block representing 1 thousandthEach part is one thousandth

 

Numbers with place value

When we write numbers with thousandths using decimals we use a decimal point and places to the right of this decimal point. The thousandth place is three places to the right of the decimal point.

  label for decimal point holder lable for tenths place label for hundredths place label for thousandths place
389/1000 = .389 . 3 8 9
We read this number as three hundred eighty-nine thousandths

 

Examples of numbers with thousandths

Blocks Fraction Decimal Notes
block representing 1 thousandth 1/1000

.001

one thousandth

 
blocks showing two thousandths 2/1000

.002

two thousandths

 
blocks showing three hundredthsblocks showing seven thousandths 37/1000

.037

thirty-seven thousandths

Note: three hundredths = thirty thousandths
( .03 = .030 )

block showing one tenthblock showing four thousandths 104/1000

.104

one hundred four thousandths

Note: one tenth = one hundred thousandths
( .1 = .100)
blocks showing 5 tenthsblocks showing four hundredthsblocks showing 5 thousandths 545/1000

.545

five hundred forty-five thousandths

 
one whole unitblock representing 1 thousandth 1 1/1000

1.001

one and one thousandth

 
one whole unit2 tenthsblocks showing six hundredthsblocks showing three thousandths 1 263/1000

1.263

one and two hundred sixty-three thousandths

 

The worksheets below will help practice working with decimals and place values to the right of the decimal point.