Difference of 2 numbers is correct when the amount of the subtrahend number and the distinction is same to the minuend.
You are watching: Explain why you can check subtraction by adding
How have the right to you use addition to examine the price of subtraction? How can you use subtraction to examine the price of addition?
Addition (+) and subtraction () space opposite operations in math, therefore you have the right to use one to check the answer of the other one.
For example 1. 2 + 3 = 5
5  3 = 2
The first way says, if we start with 2 and add 3, we gain 5.The second way says, if we begin with 5 and also take away 3, we acquire 2. We are just playing with the same numbers forward and backward.
2.
Thus, 6476  2365 = 4111 is true as 2365 + 4111 = 6476. Similarly, the amount of two numbers is true if the difference between the sum and the first number is equal to the second number, i.e., 2365 + 4111 = 6476 is true together 6476  4111 = 2365 or 6476  2365 is equal to 4111.
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4th Grade mathematics Activities
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