Basically what you had to do in the plan stage was fix any flaws you found in your current design specification and design and how you would improve on them to hopefully get a 5 or 6 in your eventual created product. This was also done by peer edits when a classmate would walk over your computer screen and spot out some points in your plan that looked vague, weren't done, etc, etc. Based on the peer edits you had to improve your plan and finalize it so it can be ready to look back to when problems were faced in the create.
The problems I faced were not being able to create a proper gantt chart because I do not know how to use Microsoft Excel on Mac. Instead I decided to solve this problem by creating a simple table in which i wrote down the steps and how long each step would take for completion in days with given start dates and end dates.
Here's a screen shot of the said table:

