Scrabble of points for each lettered tile is based on the letter's frequency in standard English; commonly used letters such as vowels are worth one point, while less common letters score higher, with Q and Z each worth 10 points. The game also has two blank tiles that are unmarked and carry no point value. The blank tiles can be used as substitutes for any letter; once laid on the board, however, the choice is fixed. Other language sets use different letter set distributions with different point values. Tiles are usually made of wood or plastic and are square and thick,
Tile tracking new game. While Scrabble-branded 'tracker sheets' are available for purchase, customized tracking sheets of all types can be found freely available for downloading online, usually in .pdf format to facilitate printing. Scrabble club websites are the most common source for free pre-printed tracking sheets, and players often create their own tracking sheets. The introduction of Scrabble for computers saw the practical application of automated score-keeping, but the rapid technological advances brought about by computers and the internet seemed only to serve the wider distribution of pre-printed tracking grids via downloads in terms of new tile-tracking tools. Some websites offer online