Making the Numbers From Given Digits

We can make numbers from the given digits. Let us see the rules.

Rule I. To get the smallest number, arrange the digits in ascending order from left to right.

Example: Write the smallest number using the digits 5, 2, 9, 3 and 1.

Solution:

The smallest number is 12,359.


Rule II. To get the greatest number, arrange the digits in descending order from left to right.

Example: Write the greatest number using the digits 7, 8, 6, 2 and 4.

Solution: 

The greatest number is 87,642.


Rule III: If zero is one of the digits while forming the smaller number, it is written in place after the highest place.

Example: Using the digits 7, 2, 3, 0 and 5, write the smallest number.

Solution: The smallest number is 20,357.


Example:

Write the smallest number and the greatest number using the digits 4, 3, 3, 8 and 7.

Solution:

The smallest number is 33,478.

The greatest number is 87,433.

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3rd Grade Math Lessons

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