Bruce Burkhart, December 2016
Posted: 12/1/2016
Core Content 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.
At 25 seconds Bruce talks about how his dryer bin can dry 400 bushels of corn in an hour. If each bushel of corn weighs 56lbs how many pounds of corn is that?