European and French roulette is played on a roulette wheel with a single zero. This wheel has 37 numbered slots occupied by the numbers 1 through 36 (coloured red or black) and the number 0 (coloured green).
The numerical sequence on the European and French roulette wheel is as follows:
American roulette, on the other hand, is played with a roulette wheel with a double zero. This wheel has 38 numbered slots in total, containing the numbers from 1 to 36 (coloured red or black) and the two green numbers with 0 and 00.
The numbers on the American roulette wheel go round the wheel in the following order: