Copy of Pick a Number Game with Fractions Between 0 and 1

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. The secret fraction can have the following denominators: Level 1: 2, 4, 8 Level 2: 2, 3, 4, 6 Level 3: 2, 3, 4, 6, 8, 12 Level 4: 2 to 10 Level 5: 2 to 12 Level 6: 2 to 16
What strategies have you found for playing the game?