**Common Core State Standard:**3.OA.4- Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?

**Essential Student Understanding:**- Students will understand that multiplication and division are inverse operations, which can be used to solve equations relating three whole numbers.

**Important Vocabulary:**- Equal
- Unequal
- Greater Than
- Less Than
- Inequality
- Balanced
- Equation
- Area Problem
- Array Problem
- Repeated Groups
- Variable