Candy is a big business! Calculate the amount of money consumers spent on major holidays—Easter, Halloween, Christmas, Hanukkah, and Valentine's Day—based on the total amount of candy sales from 2011 and the percentage of each holiday's...

Young scholars investigate the age of trees by analyzing tree rings.  In this dendocronology instructional activity, students examine sample images of tree rings and identify their age by the amount of rings.  Young scholars...

Eighth graders follow a recipe, focusing on the concepts of ratio and proportion, to mix a batch of icing. They decorate cupcakes in the form of a pumpkin.