“I became math teacher to teach subtraction. I just want to make a difference”

Do math teachers who teach subtraction “make a difference”? “When I was a kid I wanted to make a difference. But my math teacher said I sucked at subtraction” was posted on Twitter by Hrant H Papazian on October 17, 2015.
   
“I’ve decided to become a math teacher, but I’m only going to teach subtraction. I just want to make a difference” was posted on Twitter by Talk To The Hatter on September 1, 2019, and was posted on Reddit—Dadjokes on the same day.
 
   
Twitter
Hrant H Papazian
@hhpapazian
“When I was a kid I wanted to make a difference. But my math teacher said I sucked at subtraction.”
1:00 AM · Oct 17, 2015·Twitter Web Client
   
Twitter
Talk To The Hatter
@Talk_To_The_Hat
I’ve decided to become a math teacher, but I’m only going to teach subtraction.
I just want to make a difference.
4:11 PM · Sep 1, 2019·Twitter Web App
 
Reddit—Dadjokes
Posted by u/YoureAMuenster September 1, 2019
I’ve decided to become a math teacher, but I’m only going to teach subtraction.
I just want to make a difference.
   
Twitter
🐱 Patton Sanders 🐶
@pattonically
I’ve decided to become a math teacher, but I’m only going to teach subtraction.
I want to make a difference.
8:06 PM · Sep 1, 2019·Twitter for Android
   
Reddit—Jokes
Posted by u/Ryan_Lim September 2, 2019
Back when I was a math teacher, I only taught subtraction
I just wanted to make a difference.
 
Twitter
John Junyszek
@Unyshek
I’ve decided to become a math teacher, but I’m only going to teach subtraction…
I just want to make a difference.
9:34 PM · Sep 3, 2019·TweetDeck
 
LaffGaff
By laffgaff September 4, 2019
Math Teacher Joke
I’ve decided to become a math teacher, but I’m only going to teach subtraction.
I just want to make a difference.