Sheet # 79/ Positive and Negative Numbers
Name: ________________________ Date_____________
Explain and Show Your Work.
1) The temperature now is - 12 degrees C. What will the temperature be after a 20 degree increase?
2) The temperature is 13 degrees F. Weather reporter says that the temperature will drop 20 degrees tonight. What will be the temperature tonight?
3) The temperature is - 20 degrees F. Weather reporter says that the temperature will increase 5 degrees tomorrow. What will be the temperature tomorrow?
4) The temperature outside the classroom is - 12 degrees C. The temperature inside the classroom is 20 degrees higher. What is the temperature in the classroom?
5) The temperature at 8 a.m. outside the classroom was -10 degrees C. It was + 10 degrees C at noon. How much did the temperature increase?
Answers for sheet # 79
1) - 12 + 20 = 8 degrees
2) 13 - 20 = 7 degrees
3) - 20 + 5 = - 15 degrees
4) - 12 + 20 = 8 degrees
5) + 10 - (-10) = 20 degrees