This is a fun activity for middle and early high school. Ratio and Proportion is one of the most powerful tools in algebra and geometry. In this activity, students are given a delicious and decadent "Stop Your Heart Brownie" recipe. They must analyze the recipe and determine the total calorie and fat content to help out the math-challenged Chef Bobby Mathematique so that he can accurately let his patrons know what they are consuming.
There are two lessons - one gives the basic data on the ingre