Find the value of each expression mentally.

Choose 1 of the diagrams. Write a story problem that the diagram could represent. Solve the problem.

1. 
   

   

2. 
   

   

   Diagram. Two rectangles of equal length. Top rectangle, split into two parts. First part, shaded, total length, question mark. Second part has a dashed outline, total length 26. Bottom rectangle, shaded, total length, 63.

3. 
   

   

   Diagram. Two rectangles of equal length. Top rectangle, split into two parts. First part, shaded, length 27. Second part has dashed outline, length, question mark. Bottom rectangle, split into two parts. First part shaded, length, 48. Second part shaded, length, 35.

Problem ______