Lesson 55 - Introducing 5 and 4: Number row, third fingers 5555 4444 5555 4444 5555 4444 5555 4444 5555 4444 5555 4444 5555 4444 5555 4444 5 4 5 4 5 4 5 4 54 54 54 54 545 545 545 545 5 45 5 54 5 54 5 54 4 45 4 45 4 45 4 45 5 45 5 45 5 45 5 45