Do you play Race to a Dollar? I do, but with a different board. This post includes boards for Race to a Dime, Race to a Quarter, Race to a Dollar and Race to Twenty Dollars! Great resources for differentiation.
A variation on the money-matching game is playing "candy shop" where the "customer" gets "candy" (the pictured cards) in exchange for the listed price. Great for reinforcing monetary value as well as exploring the idea of working in a shop.