Addition With Regrouping Involving Three 3 Digit Numbers
Addition With Regrouping Involving Three 3 Digit Numbers
Addition of numbers can be performed by placing the numbers in column form one below the other. The add the digits column by column to find the result.
Let us perform the following addition
68 + 145 + 92 = ?
We will place the numbers such that the hundreds, tens and ones digit are placed in the columns.
In the case we are adding a 3 digit number with a 2 digit number we will assume that the hundred position is vacant or 0.
We will first add the digits at ones place that is 8, 5, 2 and the result will be 15
Now 15 is greater than 9 so the tens part of 15 that is 1 will be carried over to the tens place and 5 will be placed in the ones column of the answer
Then we will add the digits at tens place that is 6, 4, 9 and that carry that is 1 and the result will be 20.
Now 20 is again greater than 9 so the tens part of 20 that is 2 will be carried over to the hundreds place and 0 will be placed in the tens column of the answer
Then we will add the digits at hundreds place that is 1 and the carry that is 2 and the result will be 3 which will be placed in the hundreds column of the answer.
The final result will be 305.
Illustration 1: Fill in the blank
A. 5
B. 1
C. 2
D 3
Answer: C
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