Spread newspaper or a large dish towel on the kitchen table or counter. Place a dime in the center of the bottom of the drinking glass. Scoop flour into the glass, piling it to the brim and pressing it down firmly to make it compact. Place the paper plate on top of the glass and turn them over together on the dishtowel or newspaper. Tap the glass gently, and carefully lift it off. The flour will hopefully remain standing in the shape of the glass with the dime on top. (Repeat if it doesn't stay compact and pack the flour more firmly.)