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A mountain climber climbs 23 feet up Mount Everest. Use an integer to represent how far the climber will need to travel to return to where he started.
-23
Mrs. Holt wants to buy a toy for $49. She has a coupon for 10 dollars off. Use the expression 49 + (-10) to find how much money she spent on the toy.
$39
Christian runs down a hill 30 feet. Gavin runs 17 feet further down the hill than Christian. Use the expression (-30) + (-17) to find out Gavin's location on the hill.
-47
It was 78 degrees in Grand Forks yesterday. The temperature dropped 12 degrees overnight. Using this information what would the temperature in Grand Forks be today?
66 degrees
-15-(10)=
-25
3+(-9)=
-6
-2-(-8)=
6
-6-5=
-11
-38+(-42)=
-80
9+(-8)=
1
62-(-8)=
70
25+(-15)=
10
9-(-7)=
16
-99+99=
0
(-3)+22=
19
75-(-30)=
105
