QUESTION IMAGE
Question
integers to represent quantities
write an integer for each situation. explain the meaning of zero in each situation.
| example | integer | meaning of zero | |
|---|---|---|---|
| 2 | the temperature is 8 degrees below freezing | ||
| 3 | you gained 7 points in a game | ||
| 4 | the treasure is 20 meters below sea level | ||
| 5 | terri lost 5 marbles in a game | ||
| 6 | the elevator is on the 3rd floor below ground level | ||
| 7 | you found $15 on the street | ||
| 8 | you are 6 feet underwater while scuba diving | ||
| 9 | tyra owes her sister 18 trading cards | ||
| 10 | the airplane is flying at an altitude of 25,000 feet above sea level |
Step1: Analyze Situation 1
Zoey owes $3, so the integer is $-3$. Zero means no debt (or owed money).
Step2: Analyze Situation 2
8 degrees below freezing: integer is $-8$. Zero is freezing point.
Step3: Analyze Situation 3
Gained 7 points: integer is $7$. Zero is no points gained/lost.
Step4: Analyze Situation 4
20 meters below sea level: integer is $-20$. Zero is sea level.
Step5: Analyze Situation 5
Lost 5 marbles: integer is $-5$. Zero is no marbles lost/gained.
Step6: Analyze Situation 6
3rd floor below ground: integer is $-3$. Zero is ground level.
Step7: Analyze Situation 7
Found $15: integer is $15$. Zero is no money found/lost.
Step8: Analyze Situation 8
6 feet underwater: integer is $-6$. Zero is water surface level.
Step9: Analyze Situation 9
Owes 18 cards: integer is $-18$. Zero is no cards owed.
Step10: Analyze Situation 10
25,000 feet above sea level: integer is $25000$. Zero is sea level.
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| Number | Example | Integer | Meaning of Zero |
|---|---|---|---|
| 2 | The temperature is 8 degrees below freezing | $-8$ | Freezing point temperature |
| 3 | You gained 7 points in a game | $7$ | No points gained or lost |
| 4 | The treasure is 20 meters below sea level | $-20$ | Sea level (no elevation above or below) |
| 5 | Terri lost 5 marbles in a game | $-5$ | No marbles lost or gained |
| 6 | The elevator is on the 3rd floor below ground level | $-3$ | Ground level (no floor above or below ground) |
| 7 | You found $15 on the street | $15$ | No money found or lost |
| 8 | You are 6 feet underwater while scuba diving | $-6$ | Water surface level (no depth underwater) |
| 9 | Tyra owes her sister 18 trading cards | $-18$ | No trading cards owed |
| 10 | The airplane is flying at an altitude of 25,000 feet above sea level | $25000$ | Sea level (no altitude above or below) |