Students judge from apparent diameters and penny heights, which jar has the most money. Mrs. Mercado had 3 pictures of scales with two jars on each balance. That is another great puzzle.

# Tag: 3-act task

## Canstruction

Just before Thanksgiving there are competitions all over the world to celebrate cool design, tricky engineering, and to donate a whole lot of food. How many cans does it take to build this structure? What information do you need to determine this? How did you determine your solution? What else did you notice that is mathematical?