Which number is signed by holding up your index finger only?

Which number is signed by holding up your index and middle fingers together?

Which number is signed by holding up your thumb, index, and middle fingers together?

Which number is signed by holding up your index, middle, ring, and pinky fingers together, keeping the thumb tucked in?

Which number is signed by holding up all five fingers (open hand)?

Which number is signed by touching your thumb to your pinky while keeping the other three fingers up?

Which number is signed by touching your thumb to your ring finger while keeping the other fingers up?