identity property of addition

Do you remember working on identity property of addition earlier? We have also solved many problems on addition earlier, now lets work on it more with some simple examples of various property below...

Example: 1

Which of the following expression is the example of identity property of addition?

a) 9 × 1 = 9

b) 9 + 1 = 10

c) 9 × 0 = 0

d) 9 + 0 = 9

Solution:

Option a:

First choice is the process of multiplication.

Option b:

Second process is the process of addition with another number.

Option c:

Third is also a multiplication process.

Option d:

Fourth choice is an addition process with an identity element of addition and the result is also same as the given number. So, the answer is 9 + 0 = 9

Answer: d

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