Page 32 - Maths Class 03
P. 32
2 Addition of Numbers
Looking Back
Addition is bringing two or more numbers (or things) together to make a
new total.
Adding 3-digit Numbers
Without Regrouping
Addition of 3-digit numbers is as simple as 2-digit numbers.
Let us revise the addition of two 2-digit numbers.
6 4 3 3 4 2 5 3
+ 5 2 + 3 3 + 3 6 + 4 1
11 6 6 6 7 8 9 4
9 6 2 1 9 1 4 2
+ 1 1 + 3 1 + 2 3 + 1 1
10 7 5 2 11 4 5 3
Adding two 3-digit numbers involves several steps.
Example : Let us add 428 and 320.
Solution : 428 + 320
Step 1 : Arrange them in columns.
H T O
4 2 8
+ 3 2 0
Mathematics-3 32