Learning, education, exam, viva etc are like a monster to the students 
Do you know why ????? 
Just because you are fearful of it...... 
You go away from them 
Let me recite a story to you 
There were twin children  of very small age in a house, one was fearful one and other was brave..... 
Once a  boy who was elder than both came and took a showl of black color put it on head and told " It's a monster " 
One who was brave told "you are not telling true, my dad told that hanumanji will fight with them and don't allow them to come to us" 
But Other kid got frightened , everyday that boy make him frightened once in a day and laugh at him..... 
It's same thing your brain is really really strong to take everything in it just you have to give the information in proper way...... 
Also make it interesting 
Let me tell you few tips to make interesting
1 . You don't remember difference between W and M 
Everytime you make each other change 
Trick - orally  kid knows W for water 
            So tell him whenever you want to write              water don't write start with W not M as               if you will writen W water will be                         stored in it draw a blue colur shade in               it , show if you write M water will be                   flow out....... 
2. If you don't remember name of types of plants like aquatic, terristial, dessert .... 
Trick - Make your own acronyms or shortform
             Like ATD or DAT or daily annalysis test
              Or a funny short form related to your 
              Friends , pet, relative etc.....
              Ex 
Dates 
Are 
Tuf to remember 
                    ( DAT)  
3 . If you don't remember any Social science chapters like of history 
Trick - Read it once concert it in form of story              by giving name of your friends to 
             Characters
             Or 
             Once you understand a story, by your 
              Tell it whole to your mother, father, or
               Any other 
               If you explain it to others you will 
                        remember every thing 
These are few tricks here, there are many more it depends on student to student or kid to kid 
Be dynamic in thinking as a teacher also, kid also 
Correlation is many thing by which you can learn very fast
The best way to learn is to understand
And to make it a fun 
Make your education a fun, a game ,  enjoy it 
You will learn 
Ex learn addition, sub, multiple , divide by board games like make a boxes connect lines of question to many answers . .. 
Play game and give points..... 
Or make a live demo if possible.... 
Also for a studying science  make your kid combine lemon and baking soda at home to teach acid base reaction. 
And many more tricks I have for other topics 
For commerce studies also it is essential 
Like you may teach it by showing incoming outgoing, expenses of the things.... 
So there are many such things by which you can explain it. . 
Or kids can learn it . ..
There are trick for many topics.... 
Think it be dynamic.