Numbers In The Tens Place
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Identify Value
Nosotros write numbers using only ten symbols (called Digits).
Where nosotros place them is important.
The Ten Digits
The Digits we use today are chosen "Hindu-Arabic Numerals":
0 1 two 3 four 5 6 7 8 9
We can use these on their own to count upwardly to 9:
0 | |
i | |
2 | |
three | |
four | |
5 | |
6 | |
vii | |
eight | |
ix | |
?? |
But what happens later on 9?
10 Or More ...
When we have more than than nine items, we start some other column - the "tens" column - and we write downwardly how many "tens" nosotros accept, followed past how many "ones" (likewise called "units").
And then we write:
Example: this is how we write downwardly twelve:
The Number "12"
It says we accept ane Ten and ii Ones, which makes 12.
This can also be written as 1 × 10 + 2 × 1.
Example: "35" means three Tens and 5 Ones, which is also 3 × ten + 5 × 1
The Number "35"
Zero
What if we have one 10, merely no Ones? We show "no Ones" by putting a zero in that location:
Tens | Ones |
1 | 0 |
The Number "10"
We accept to put a Zero in the Ones place or "10" looks similar "i".
A Hundred Or More ...
When we have more than than 99 items, we start another column - the "hundreds" column. At present we need to show how many Hundreds, Tens and Ones:
The Number 143
That shows nosotros have i Hundred, 4 Tens and 3 Ones:
This can as well be written as 1 × 100 + 4 × 10 + three × 1.
Example: "369" means 3 Hundreds, six Tens and 9 Ones
Which is also 3 × 100 + 6 × 10 + ix × 1
We likewise use a Null when there are no Tens:
Case: "104" means 1 Hundred, Zilch Tens and 4 Ones.
The Number 104
And So On ...
Each time nosotros desire to show a bigger number we merely add one column to the left and nosotros know information technology is always x times bigger than than the column on its correct.
each new column on the left is 10 times bigger
And then, where nosotros Identify a digit is important!
Names for Each Column
These are the names of each cavalcade:
Millions | Hundred-Thousands | Ten-Thousands | Thousands | Hundreds | Tens | Ones |
(For bigger amounts, see Metric Numbers)
Example: The number 11 1000, iii hundred and twenty seven in a place value table:
Ten-Thousands | Thousands | Hundreds | Tens | Ones |
ane | ane | three | 2 | 7 |
The Number 11,327
1686, 1687, 1688, 1689, 1690, 1691, 5875, 5876, 5877, 5878
Numbers In The Tens Place,
Source: https://www.mathsisfun.com/place-value.html
Posted by: jacobsthujered.blogspot.com
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