# Jim Petrik, December 2016

Posted: 12/3/2016

Originally filmed December 2014.

Discussion Question:  Jim talked about how he uses a lot of math and science when he’s farming.  What are other careers that use math and science?

Teacher Resource: http://kids.usa.gov/teens/math/math-jobs/index.shtml

http://kids.usa.gov/teens/science/science-jobs/index.shtml

Core Standard & Question: 4.OA.3 Solve multi-step word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

• Help Jim complete his year-end report. Jim spent \$250 per acre planting corn.  In the fall he harvested 125 bushels per acre.  Then he sold his corn for \$3.00 per bushel.  What was Jim’s profit for each acre? (Hint: Subtract expenses from money made for selling corn.)