Question

An elevator on the tenth floor goes down 9 floors. Then it goes up 19 floors, down 3, and finally down 12. What floor does it end up on?
Explain.
Please help! I will give a medal!:(

Answer 1

Subtract each time it goes down.
Add each time it goes up.

Answer 2

The elevator started on the 10th floor.
It went down 9 floors.
Where is it now?
10 - 9 = ?

Answer 3

Its at the 1 floor

Answer 4

Great.

Answer 5

Now it's a the first floor.
It then goes up 19 floors.
What is 1 + 19 ?

Answer 6

Its at the 20 floor

Answer 7

Great again.

Answer 8

Now it's at the 20th floor.
It goes down 3 floors.
What is 20 - 3 ?

Answer 9

Its at 17 floor

Answer 10

Correct again.

Answer 11

Now it's at the 17th floor.
It goes down 12 floors.
What is 17 - 12 ?