A great lesson that can be adapted as an exploratory, introductory, or review lesson regarding the idea of Fact Families with multiplication and division. Plenty of open ended graphic organizers to keep students brains working!
This is a perfect tool for teaching these Common Core Standards
3 0A 3 & 4
3. Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem
4. Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
Check out my Multiplication and Division Fact Families set as an accompanying lesson.