English teacher, Cinthea Comer, said the vivid colors of the drawings made it look like they had been drawn just yesterday – not 100 years ago!
![high school secret](http://www.relayhero.com/wp-content/uploads/2017/03/8-61.jpg.webp)
Image Credit: Oklahoma City Public Schools / Twitter
We got a sneak peek into the past! Look at this interesting multiplication table. I wish I knew how it worked (I can’t figure it out)!
![high school secret](https://www.relayhero.com/wp-content/uploads/2017/03/6-97.jpg.webp)
Image Credit: Oklahoma City Public Schools / Twitter
Oh, look, cursive!
![high school secret](https://www.relayhero.com/wp-content/uploads/2017/03/7-71.jpg.webp)
Image Credit: Oklahoma City Public Schools / Twitter
Do you know how hard it is to write neatly on a chalk board?!
![high school secret](https://www.relayhero.com/wp-content/uploads/2017/03/10-28.jpg.webp)
Image Credit: Oklahoma City Public Schools / Twitter
This teacher managed to write in a straight line – in cursive! That takes skill! And you can even read it!
![high school secret](https://www.relayhero.com/wp-content/uploads/2017/03/11-22.jpg.webp)
Image Credit: Oklahoma City Public Schools / Twitter
The school plans on keeping this pieces of history!
Share away, people!