It's wrong for schools not to teach kid right.
Emery is teaching her students how to convert fractions into decimals, but she is having a hard time because she has never understood this well.
Emery wants to finish the lesson today.
Emery meets with another teacher during lunch, learns how to do the conversion, and is able to teach the students correctly.
Emery comes up with a way of converting the fractions that she thinks might be right and explains it to the class for their daily lesson.
The students understand how to do the math and get good grades on their homework.
The students believe this is the right way to do the math and get all of the answers on their homework wrong.