Joe was 2,000 feet above sea level.
His friend Bob was 1,568 feet below sea level.
Joe wanted to know what the distance was between them.
3,568
Billy said -89+56 is -33. Is he wrong, and if so explain his error.
He's right!
-98+50
What is -48
Harry was plying football.
He started at twenty yards
. He got the ball, but lost ten yards.
The next play he gained fifteen, and the next play he lost five.
What yard is he at now?
20
-57+76+-64
-45
Sally says -12*-12*-5 is -720, but Sarah says -12*-12*-5 is 720.
Who's right? Explain.
What is -720
because -12*-12 is 144, since two negative equal a positive, times five is is 720
since difference signs equal a negative.