Jim Petrik, November 2016

Posted: 11/2/2016


Originally filmed November 2014. 

Discussion Question: 


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?