Category : 1st Class
Addition
Concept of Addition
Addition means collection of different units together and counting them as single
There are three balls in box A
A
Three balls
There are one ball in another box B
B
One ball
Now,
How many balls are there in both the boxes together?
For this, we put the balls from both the boxes in a single box as shown below:
Four balls
Therefore, the third box has three balls of box A and one ball of box B. Together there are 4 balls.
Addition of Two Numbers
It is the grouping of two numbers together and counting them as a single number.
2 + 3 = 5
It is also written as:
Trick:
Put two vertical lines for 2 and three vertical lines for 3. After this, count all the lines together and that line will be the final result of this addition.
2 + 3 = 5
Point to Remember
1st number+ 2nd number=2nd number + 1st number |
+ =
Addition in Column
Addition in column is done by adding the numbers in column. See the example given below:
Word Problem Based on Addition\
In word problem some statements are given. These statements are to be solved by means of addition
Steve has 12 toffees. His father gives him 10 more toffees. How many toffees does Steve have now?
(a) 2 toffees (b) 10 toffees
(c) 12 toffees (d) 22 toffees
(e) None of these
Answer (d)
Explanation: Option (d) is correct because:
12 + 10 = 22 toffees.
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