School, School, School!

Science Teacher: Now, now class settle down. Today we will be learning about Biology. Girl: Oh boy! An entire unit about buying! I've bought a lot of things like earrings, and rings, and necklaces, and bracelets... Math Teacher: Okay class. Today we will be learning about subtraction. Boy: Hooray! I know everything there is to know about sub tracks because my father owns a train station. did you know that sub tracks are like regular tracks but...