Class 1 Addition
Addition of 2-Digit and 1-Digit Numbers
Basic Addition
Addition means keeping things together. For addition we put + sign, and it is known as ADD/PLUS sign.
Example 1. Add the below given red and blue balls.
Solution.We have 4 Blue balls and 3 red balls.
Total number of balls = 4 + 3 = 7 balls
So, we have total 7 blue and red balls
Example 2. Add the total number of White and green boxes.
Solution. We have 6 white boxes and 3 green boxes.
Total number of boxes = 6 + 3 = 9 boxes
So, we have total 9 white and green boxes.
Addition Order
During the addition, if we change the order of numbers then the answer does not change.
Addition of 3 yellow balls and 4 green balls
Addition of 4 green balls and 3 yellow balls
Adding Zeros
When we add zero to a number, the answer remains same.
Adding One
When we add 1 to a number, the answer is the successor number.
Addition of Three Numbers
John is having 3 smileys, Bob is having 5 smileys and Julie is having 2 smileys. How many total smileys they have with them?
So, in total they have 10 smileys with them.
Addition of 2-Digit and 1-Digit Numbers
In this kind of addition, we must follow below mentioned rules.
1. Addition of once place
2. Addition of tens place
Story Sum
In our day to day life we will come across with these simple additions.
Example 1. Ram has 5 chocolates and Sita has 4 chocolates. What is the total number of chocolates they both have?
Solution.
Number of chocolates Ram has = 5
Number of chocolate Sita has = 4
So, Ram and Sita both have 9 chocolates.
Class-1 Addition Test
Class-1 Addition Worksheet
Answer Sheet
Addition SheetDownload the pdf
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