Students have to choose the correct equation that would solve each multi-step word problem. Students use knowledge of order of operations to solve. Students explain answers using pictures and words. They also need to know that variables can represent numbers. Goes perfectly with standard: 3.OA.D.8 Solve two-step word problems using the four operations. 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.