rules of addition in algebra

Addition 
         addition is the mathematical process putting things together.  ' + ' means add and '=' means is the same as.
 ( + is read as plus and it is the sign for addition) 

Sign
PLUS (+)
EQUALS (=)

⚽ Ball
 ⚘  Flowers
💮 Flowers

Addition means increasing the number.

Two ball          put in one more     Now there are three ball  
⚽ ⚽  →  ⚽   →  ⚽ ⚽ 

So 2 and 1 together is 3 
we write it as 2 + 1 = 3 
We read as 2 plus 1 equals 3 

🎄🎄🎄 🎄 🎄 🎄 🎄 🎄  
     3      =     4

We can write numbers in a different way 

    3 ⧭⧭⧭
 + 5⧬⧬⧬⧬⧬
    8⧭⧭⧭⧬⧬⧬⧬⧬


2 + 5 = 7 

3 + 4 = 7

2 + 6 = 8

3 + 6 = 9

3 + 5 = 8

4 + 5 = 9 

6 + 2 = 8

5 + 2 = 7

8 + 1 = 9

7 + 2 = 9 

   5
+ 6   
      11  

   7
+ 2  
   

   6
+ 2  
   8  


  7
+1  
  8  

   5
 +2  
   7  

   3
 +2  
   5  

Points to Remember 

When we add 0 to any number the number does not change. It remains the same.When you add 1 to a number, the answer is the number that comes after.