"Mikaela, here you go. And pay attention to the notes," said Maria, handing Mikaela her grade assignment.
Mikaela looked at the C-grade, but then saw a small note in Maria's neat handwriting.
"Very well done. 8 out of 10 correct. I've marked them as such," said the note.
Mikaela scanned through the answers.
Sure enough, there were tick marks on eight out of the ten problems, with the remaining two having notes about where she had made mistakes.
With a small thrill of satisfaction, she put the assignment away.
"Ms. Washington? What's with these notes?" asked Anna.
"Those notes are to help you learn for next time," said Maria.
"OK," said Anna, though she seemed uncertain.
"Now class, we start with a new science topic. Specifically, about metals," said Maria, and cleared the whiteboard.
"First, can anybody tell me what defines a metal?" she asked, turning back to face the class.
"Screamin' an' distortion guitars," piped up a boy, which earned him a bout of laughter.
