THE MALTESE FALCON - Although the Maltese Falcon is the largest sailing yacht in the world when measured on deck (LOD – Length On Deck), at 305 feet in length, Eos is the largest private sailing yacht in the world overall (LOA – Length Over All)
Can differentiate with double digits (double digit by double digit multiplication or even fractions). This site has great math projects. This can be done with nails in a board and colored yarn. Makes a great pricture too.