For 7th, 8th, or pre-algebra students learning how simple interest works by using simple interest. This activity can be done individually, but is more effective in groups. This product includes the PDF file of the activity, the LaTeX file that can be edited to tweak the activity on a LaTeX editor (I use Overleaf.com), and the powerpoint that corresponds with the instruction prior to the activity.
This activity takes the prospective of an investor.
If you have questions please let me know.