Objective
Talk about how to preserve food if no refrigeration. Native Americans and early Americans (ie. Pilgrims) used corn as a food source to prevent starvation (All About Corn). Way to store energy without spoilage in winter (History of Corn; Evolution of Maize). Corn kernels as manipulative to estimate 50 kernels and work on commutative property of addition and multiplication.
CA Standards--Second Grade
CA Standards--Third Grade
Materials
Use dried corn cobs from grocery store in floral or vegetable section; available between Halloween-Thanksgiving. Use an old electric coffee grinder or a really good blender like a Vitamix. This is hard on the blades.
Procedures
Prep work prior to lesson: Place dry ingredients, minus the cornmeal, in ziplock bags. One per group. Bring wet ingredients separately and add at step 6.