Each number in a six  digit number has a different  
place value
.
example: The number 342,365
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Place Values by 6 digit  numbers -
Ones to Hundred Thousands
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The  4 is in the ten thousands  place. It tells you there is 4
sets of
ten  thousand  in the thousand place.

10,000+10,000+10,000+10,000 = 40,000   
The 2 is in  the thousands place.  It tells you that there are
2 sets of thousand in the thousands place.
1000+1000 = 2000
The 6 is in the tens place. It tells you there are 6 sets of
tens in the tens place
10+10+10+10+10+10=60
The 5 is in the ones place. It tells you
there are 5 ones in the ones place
 1+1+1+1+1=5
300,000, 40,000 + 2000 + 300 + 60 + 5 = 342,365
The  3 is in the hundred
thousands
 place. It tells you
there is 3 sets of hundred
 
thousand,
 in the hundred
thousand place.

100,000+100,000+100,000+=
300,000
> Place Values By 6  Digit Numbers < you are here
Hundred thousands, Ten thousands, Thousands, Hundreds, Tens, Ones
The number 342,365 on a place value chart
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