We add by writing the numbers one below the other as per their place values:
1
Step 1: Add the digits in the ones place, 6 + 2 = ones,
Write 8 in the ones place,
Step 2: Add the digits in the tens place, 2 + 3 = 5 tens,
Write 5 in the tens place,
3
So, 58 students went on the field trip to the museum. The result obtained on addition
is called the sum. In this case, the sum is 58. The numbers that are added are known as
addends. Here 26 and 32 are the addends.
Addition with Regrouping
Example 2: Add 39 and 46.
Solution: First write the numbers one below the other as per their place values.
Step 1: Add the digits in the ones place, 9 + 6 = 15 ones.
Regroup 15 ones as I ten and 5 ones. Write 5 in the
13 9
ones place and carry over 1 to the tens place.
4 6
Step 2: Add the digits in the tens place, 1 + 3+ 4 = 8 tens.
Write 8 in the tens place. Thus, the sum is 85.
8 5
Example 3: Add: 73 +97 + 12
Solution: First write the numbers one below the other as per their place values.
Step 1: Add the digits in the ones place, 3 + 7 + 2 = 12 on
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