Welcome to your next lesson! Today we are learning about negative numbers! Press space to erase all. When she asks you something hard to figure out like: 4345874873 + 5467594354 then you could write it down by using "mouse down" to figure it out!
Find the series here: https://scratch.mit.edu/studios/31629480/ Special Thanks to @JasonRowland for the music from: https://scratch.mit.edu/projects/97317636
