1) What number is the opposite of 5? a) -5 b) 5 2) If a number has a negative sign, what does it mean? a) less than zero b) greater than zero 3) Look at this sequence:....,-2,-1,0,1,2 What do you notice about the numbers before and after zero? a) The numbers before zero are negative, and the numbers after zero are positive. b) The numbers before and after zero are all positive numbers. 4) if we combine numbers that greater than zero, numbers less than zero, and zero itself, what do we call this group of numbers? a) integers b) operation 5) What number can represent a temperature that is lower than 0°C a) –5°C b) 1°C

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