Negative Numbers and Temperature

Subtract ( -120 ) - ( + 20 )

• 100

• -100

• +140

• -140

At 8 am the temperature was - 6^oC. At noon, the temperature rose 9 degrees. What was the temperature at noon?

• The temperature at noon was 3^o C

• The temperature at noon was - 3^o C

• The temperature at noon was 15 ^o C

• 60

• 4

• - 4
  

• 36

After a drop in temperature of 3 degrees, the temperature is -12, what was the temperature to start with?

• -10

• -9

• -15

• -36

Which integer represents "14 degrees below freezing"?

• -14

• +14

30°F degrees below 0°F degrees

• 30°F

• -30°F

• 0°F

22°F below zero

• -22

• 2

• -2

• 22

At 7pm the temperature was 40F.  If the temperature dropped steadily at a rate of 6 degrees per hour, what was the temperature at midnight?

• 32F

• -2F

• 10F

• 82F

The temperature was -3 degrees F at 6:00am. It decreased at a rate of -2 degrees each hour for 4 hours. What was the temperature after 4 hours?

Mathematical Equivalence

ON

The temperature in Wichita, Kansas, is -3°C. The temperature in Ryan’s hometown is 18° colder than that. What is the temperature in Ryan’s hometown?

Mathematical Equivalence

ON