Addition
8 x -8
What is -64
Dale delivers food in a large office building in NYC. His deli is on the 8th floor. He took his first delivery up 7 floors and his next delivery down 13 floors. What floor did Dale end up on?
2nd floor
-9 x 12
What is -108
-15 x -7
What is 105
Billy dove 60 ft below sea level for his scuba class. During the class he rose 15ft then descended 10ft and then rose 24ft. How many ft below sea level is Billy?
What is 31 feet below sea level
32 x -21
What is -672
-50 x -12 x -6
What is -3,600
-57 + 76 + (-64)
What is -45
Sally says -12 x -12 x -5 is -720, but Sarah says -12 x -12 x -5 is 720. Who's right? Explain.
What is -720, because -12 x -12 is 144, since two likes equal a positive, times -5 is is -720, since differences equal a negative.