What is one less than
?
ANSWER: 
What is one less than
?
ANSWER: 
NOTE: Give the student four objects (pennies work). Have the student count
these objects. Now take away ONE object. Now ask the student how
many objects there are. Repeat this with different starting amounts of
objects. Each time take away one object and ask how many objects
there are after taking away one so that there are ONE LESS objects.