Try these
problems.
Eliminate wrong answers to help find the right answer.
There are 3 crayons in your desk
drawer.
There is a blue, red and yellow.
You are looking for the
red crayon.
You reach in and pull out the yellow crayon.
Which
crayons must be left in the desk?
You go back
to the drawer and pull out another crayon.
You
look at the crayon and see that it is blue.
What crayon must be left in the desk?
Billy knows
that his favorite shirt is in 1 of 4 places.
He checks his closet.
It is not hanging in the the closet.
How many more places can it be?
Jenny
is thinking of 10 places where she can go on vacation in
the summer.
Her mom tells her she does not want to go to Florida,
Washington, or Cape Cod.
