What are the rules for the comparison of onedigit numbers?
The comparison of onedigit numbers depends on their values. The value of a number is found by adding the place values of the digits. The value of a onedigit number is its face or place value. The place value or face value of the digit of a single digit number is the same.
We know:
6 > 4 8 > 5 
4 < 6 8 < 9 
If we compare onedigit numbers, the number which has the greater value (face value or place value) is greater than the number which has the smaller value, as shown above.
`We also know: 8 < 10 or 10 > 8
The value of 10 is greater than 8.
The value of 8 is lesser than 10.
Similarly, 7 > 3 or 3 < 7 The value of 7 is greater than 3.
The value of 3 is lesser than 7.
Arranging 1digit numbers:
(i) Arranging the numbers 7, 5, 1, 6, 9 in ascending order:
The numbers are arranged in ascending order 1, 5, 6, 7, 9.
(ii) Arranging the numbers 4, 8, 2, 5, 6 in descending order:
The numbers are arranged in descending order 8, 6, 5, 4, 2.
Thus, any twodigit number is always greater than a onedigit number.
10 > 9 , 12 > 7 , 11 > 5 , etc.
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