Clicking on the above image will take you to Brian's movie of making Hot chocolate.

Act I - Watch the movie. Making hot chocolate movie or by clicking on the picture above. What do you notice and wonder?

Act II - What information would be helpful to figure out how many 1/4 teaspoons you need? How many 1/4 teaspoons are equivalent to a whole teaspoon? How can you visualize this? What math models this problem? If helpful check out this online fraction bar tool.