Fire vs. Ice Jeopardy

Addition

100

2+(-6)

-4 🧊

200

-1+5

(+)4 🔥

300

-2+-9

-11🧊

400

-30+40

(+)10 🔥

500

In the morning, it was -5 degrees Celsius but then the temperature rose by 10 degrees Celsius in the afternoon. What is the temperature now? 

-5+10=5 degrees Celsius 🔥

Subtraction

100

6-9

-3🧊

200

8-(-1) 

9🔥

300

-5-(-4)

-1🧊

400

14-(-29)

43🔥

500

If it is -12 degrees Celsius in New York and then it dropped 23 degrees Celsius, what is the temperature now? 

-12-23=-35 Celsius🧊