Use the sliders to change the numerator and denominator to guess the secret fraction between 0 and 1. The computer will tell you if you're too high or too low. For more challenge, hide the number line.[br][br]The secret fraction can have the following denominators:[br]Level 1: 2, 4, 8[br]Level 2: 2, 3, 4, 6[br]Level 3: 2, 3, 4, 6, 8, 12[br]Level 4: 2 to 10[br]Level 5: 2 to 12[br]Level 6: 2 to 16