Place values of a digit in a number is the digit multiplied by ten or hundred or thousand and so on.
To do conversion between place values, we have to remember the following relations :
1 ten = 10 ones.
1 hundred = 10 tens.
1 thousand = 10 hundreds.
1 ten thousand = 10 thousands
Example 1 :
Convert 2 ten thousands as hundreds
Solution :
Now we have to say the pattern, that is
"Ones", "tens", "hundreds", "thousands",
"ten thousands"
We want to convert ten thousands as hundreds, we have take two steps from right to left. So we have to take two zeroes at the last.
Therefore,
2 ten thousands = 200 hundreds
Example 2 :
How many hundreds make 40 tens ?
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds"
If we want to convert hundreds from tens, we have take one step from left to right.So we have to cut one zero from 40.
Hence, 4 hundreds = 40 tens
In other way,
1 hundreds = 10 tens
2 hundreds = 20 tens
like wise 4 hundreds make 40 tens
Example 3 :
2 tens = _________ ones?
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds"
If we want to convert hundreds from tens, we have take one step from right to left . So we have to take one zero at the last of 2.
Hence, 2 tens = 20 ones
In other way,
1 ten = 10 ones
2 tens = 20 ones
Example 4 :
_________ hundreds = 30 tens
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds"
If we want to convert hundreds from tens, we have take one step from left to right . So we have to cut one zero from 30.
Hence, 3 hundreds = 30 tens
In other way,
1 hundred = 10 tens
2 hundreds = 20 tens
like wise 3 hundreds = 30 tens
Example 5 :
1 tens thousand = _________ tens
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds", "thousands",
"ten thousands"
If we want to reach ten thousands from tens , we have take three steps from right to left . So we have to take 3 zeroes at last of 1.
Hence, 1 ten thousand = 1000 tens
Example 6 :
________ thousand = 70 hundreds
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds", "thousands",
"ten thousands"
If we want to reach thousands from hundreds , we have take one step from left to right . So we have to cut 1 zero from 70.
Hence, 7 thousands = 70 hundreds
In other way,
1 thousand = 10 hundreds
2 thousands = 20 hundreds
like wise 7 thousands = 70 hundreds
Example 7 :
________ ten thousands = 80,000 ones
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds", "thousands",
"ten thousands"
If we want to reach ones from ten thousands , we have take 4 steps from left to right. So we have to cut 4 zeroes from 80,000.
Hence, 8 ten thousands = 80,000 ones
In other way,
1 ten thousand = 1000 ones
2 ten thousands = 2000 ones
like wise 8 ten thousands = 80,000 ones
Example 8 :
9 ten thousands = _______ hundreds
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds", "thousands",
"ten thousands"
If we want to reach hundreds from ten thousands, we have take 2 steps from right to left So we have to take 2 zeroes at the last of 9.
Hence, 9 ten thousands = 900 hundreds
In other way,
1 ten thousand = 10 thousands = 100 hundreds
2 ten thousands = 200 hundreds
like wise 9 ten thousands = 900 hundreds
Example 9 :
4 hundreds = ___ tens
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds"
If we want to reach hundreds from ten thousands, we have take 1 step from right to left. So we have to take 1 zero at the last of 4.
Hence, 4 hundreds = 40 tens
In other way,
1 hundred = 10 tens
2 hundreds = 20 tens
like wise 4 hundreds = 40 tens
Example 10 :
4 hundreds = ___ tens
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds"
If we want to reach hundreds from ten thousands, we have take 1 step from right to left. So we have to take 1 zero at the last of 4.
Hence, 4 hundreds = 40 tens
In other way,
1 hundred = 10 tens
2 hundreds = 20 tens
like wise 4 hundreds = 40 tens
Example 11 :
70 hundreds = _______ tens
Solution :
Now we have to say the pattern,
"Ones", "tens", "hundreds", "thousands",
"ten thousands"
If we want to reach tens from hundreds , we have take one step from right to left . So we have to take 1 zero at the last of 70.
Hence, 70 hundreds = 700 tens
In other way,
1 hundred = 10 tens
20 hundreds = 200 tens
70 hundreds = 700 tens
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