Addition of Three 2-digit numbers with Regrouping | Maths Grade 2

Addition of Three 2-digit numbers with Regrouping

 

Example 1:- Add the following?

 

Explanation:

Step 1: Adding the digits at one’s place,

3 + 3 + 4 = 10

Since the number is more than 9, we need to carry over 1 to the tens place.

 

Step 2: Adding the digits at tens place and the carry of 1,

2 + 1 + 2 + 1 = 6

Hence, the sum of the given numbers is 60

 

Example 2:- Add the following?

 

 

 

Step 1: Adding the digits at one’s place,

9 + 0 + 9 = 18

Since the number is more than 9, we need to carry over 1 to the tens place.

 

Step 2: Adding the digits at tens place and the carry of 1,

4 + 1 + 1 + 1 = 7

Hence, the sum of the given numbers is 78

 

Example 3:- Add the following?

 

Explanation:

Step 1: Adding the digits at one’s place,

7 + 9 + 3 = 19

Since the number is more than 9, we need to carry over 1 to the tens place.

Step 2: Adding the digits at tens place and the carry of 1,

5 + 2 + 1 + 1 = 9

Hence, the sum of the given numbers is 99

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