SPICY--Try if you have time.
Analyze--Student McStudentson said, "I can simplify this expression by collecting like terms".
Which step of his work is the first to show a mistake or misconception? Explain what the mistake is.
Original Expression: \frac{9x+11y-6}{4}
Step 1: \frac{9x}{4}+\frac{11y}{4}-\frac{6}{4}
Step 2: \frac{20xy}{4}-\frac{6}{4}
"There is a mistake in step... because..."