Addition
90+32
What is 122
joe said -89+56 is -33. Is he wrong, and if so explain his error and right the right answer.
What is no
joe 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?
What is 20
-50*-12*-6
What is 3,600
joe says -12*-12*-5 is -720, but reid 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.