Jim Petrik, November 2016

Posted: 11/2/2016

Originally filmed November 2014. 

Discussion Question: 

• Name products in your school or home that have corn in it?  Teachers can find answers here:   http://commodityhq.com/2012/13-ways-corn-is-used-in-our-everyday-lives/ 

 

Teacher Resource:  http://www.explainthatstuff.com/howcombineharvesterswork.html

This link has a very good visual of how a combine works.

 

Core Standard & Question: 4.OA.2 Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison.

• Jim said that his grain cart holds 16,000 pounds of corn, which is about 300 bushels. How much does one bushel of corn weigh?