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This section explains you the Addition of integers

In order to add two integers on the number line, we follow the following method :
Example 1 : -3 + 4
1) Mark the first number on the number line, say -3.
2) The next number is + 4 ( Positive 4) so from -3 jump 4 steps to right and that gives you the answer. addition of integers
So , - 3 + 4 = +1
Example 2 : 4 + ( - 3)
1) First mark + 4 on the number line.
2) 2nd number is ( -3 ) so move 3 units to left from 4 and that gives you the answer. addition of integers
Rules for Operations on Integers :
1) If two numbers have same sign then add them and give the common sign.
Example : 1) + 5 + 8 = +13 2) – 6 – 8 = - 14
2) If two numbers have different sign then subtract them and give the sign of the bigger number.
Example : 1) – 8 + 2 = - 6 2) – 7 + 15 = + 8 3) - 23 + 23 = 0
Some solved examples : Add the following :
1) -16 + 25
Solution : As the two numbers have different sign so subtract them and give the sign of the bigger number.
So, -16 + 25 = 9
2) -14 – 56
Solution : As the two numbers have same sign then add them ad give the common sign.
So, -14 – 56 = - 70
3) -16 + 23 – 12 – 8
Solution : -16 + 23 – 12 – 8
+ 7 – 12 – 8
- 5 – 8
- 13
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Integers

Absolute value of Integers
Absolute Value Equation