This full activity with Soda Santa image can be found at WWW.YUMMYMATH.COM. Start out the activity by giving kids 30 seconds to look at the picture and have them take a quick guess: How many twelve packs of soda make up the Santa? Guess without calculating. Come up with a reasonable range for the number of twelve packs. Numbers that are too high and too low. Students use multiplication and estimation to determine the number of soda cans in the display.