Arranging numbers in ascending order and descending order.
We know, while arranging numbers from the smallest number to the largest number, then the numbers are arranged in ascending order.
Suppose for example, 81, 97, 123, 137 and 201 are arranged in ascending order.
Viceversa while arranging numbers from the largest number to the smallest number then the numbers are arranged in descending order.
Suppose for example, 187, 121, 117, 103 and 99 are arranged in descending order.
Examples on arranging numbers in ascending order:
1. Write the following numbers is ascending order:
42734; 5358; 42876; 52287.
Solution:
Count the digits in each number.
5358 Is the smallest number as it has only 4 digits.
Line up the number accordingly to place value.
Begin comparing from the left.
5358 ← smallest number
42734
42876
7 < 8
52287 ← Largest number
The ascending order is 5358; 42734; 42876; 52287
2. Arranging numbers in ascending order:
3679; 3542; 3797; 3545
Solution:
The digit in the hundreds place in each number is 3.
On comparing the hundreds place; 3679; 3542; 3797; 3545
We find: 3797 to be the greatest and 3679 to be smaller.
On comparing the tens place in the two remaining numbers we find both
numbers to be the same. 3542; 3545
On comparing the ones place, we find 3545 > 3542
So, the ascending order is 3542 < 3545 < 3679 < 3797
Example on arranging numbers in descending order:
Write in descending order:
32593; 60537; 28524; 57198
Solution:
Compare digits according to place value.
Descending order means arranging numbers from the largest number to the smallest number;
60537 > 57198 > 32593 > 28524
Related Concept
● Numbers Showing on Spike Abacus.
● 1 Digit Number on Spike Abacus.
● 2 Digits Number on Spike Abacus.
● 3 Digits Number on Spike Abacus.
● 4 Digits Number on Spike Abacus.
● 5 Digits Number on Spike Abacus.
● Problems Related to Place Value.
● Example on Comparison of Numbers.
● Successor and Predecessor of a Whole Number.
● Formation of Numbers with the Given Digits.
● Formation of Greatest and Smallest Numbers.
● Examples on the Formation of Greatest and the Smallest Number.
4th Grade Math Activities
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