Addition
Joe said -75+54 was 129. Is he wrong, and if so then explain his error and say the real answer to the problem.
What is yes, because he added 75+54 instead of -75+54, which is 21
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. What was it?
What is 3,568
-15+(-17)
What is (-32)
-54-13
What is 67
Billy said -89+56 is -33. Is he wrong, and if so explain his error and right the right answer.
What is no
Harry was playing 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?
What is 20
30-(-60)-32
What is 58
-50*-12*-6
What is -3,600
-57+76+-64
What is -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 likes equal a positive, times five is is 720, since differences equal a negative.