Page 23 - Maths Class 02

Addition of Three 2–digit Numbers T O

With Regrouping 1 8

Example : Add 18, 21 and 33. + 2 1

Step : 1 Write 18, 21 and 33 in tens and ones columns. + 3 3

Step : 2 Add the numbers is ones column.

Here, 8 + 1 + 3 = 12 ones

12 ones = 1 tens and 2 ones
T O
1 T O
1 8 Step : 3 Add the numbers in tens column. 1
1 8
+ 2 1 Here, 1 + 1 + 2 + 3 = 7 tens
+ 2 1
+ 3 3
Thus, 18 + 21 + 33 = 72.
2 + 3 3
7 2

Practice - 2.6
Practice - 2.6
Practice - 2.6
Practice - 2.6
Add the following.

1. T O 2. T O 3. T O 4. T O

3 5 4 5 1 4 4 8

+ 4 6 + 2 8 + 5 0 + 1 8

+ 3 3 + 1 6 + 1 8 + 6

5. T O 6. T O 7. T O 8. T O

1 7 2 3 2 7 2 1

+ 2 9 + 2 1 + 3 0 + 2 5

+ 4 6 + 3 6 + 2 9 + 2 6

Mathematics-2 23