Draw the dot that will mark the lower left corner of the parallelogram on the paper. Label this dot with the letter A.
Measure 4 inches to the right of the dot with a ruler. Mark the spot with another dot. Label this dot with the letter B.
Measure 2 inches directly above point A. Mark the spot with a dot. Label this dot with the letter C.
Measure one inch to the right of point C. Mark the spot with a dot. Label this dot with the letter D.
Measure 2 inches directly above point B. Mark the spot with a dot. Label this dot with the letter E.
Measure one inch to the right of point E. Mark the spot with a dot. Label this dot with the letter F.
Draw a horizontal line against the edge of the ruler to connect points A and B. Repeat the process to connect points D and F. You will draw through point E when you make this line.
Draw a diagonal line to connect points A and D. Repeat the process to connect points B and F.
Erase points C and E. Erase all of the letter labels.