Let's solve each problem step by step:
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1. The temperature is 10 degrees, but drops 25 degrees. What is the new temperature?
- Initial temperature: \( 10 \) degrees
- Temperature drop: \( -25 \) degrees
- New temperature: \( 10 + (-25) = 10 - 25 = -15 \)
Answer: \(\boxed{-15}\)
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2. A bird begins falling at 90 feet above ground, then descends 105 feet. Where does the bird land?
- Initial height: \( 90 \) feet
- Descent: \( -105 \) feet
- Final position: \( 90 + (-105) = 90 - 105 = -15 \)
The bird lands
15 feet below ground level.
Answer: \(\boxed{-15}\)
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3. Mary climbs from 60 feet above sea level and travels until she is 250 feet above sea level. How many feet does she climb?
- Initial height: \( 60 \) feet
- Final height: \( 250 \) feet
- Distance climbed: \( 250 - 60 = 190 \)
Answer: \(\boxed{190}\)
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4. You have $500 in your bank account. You withdraw $200 and deposit $350. How much money do you have now?
- Initial balance: \( \$500 \)
- Withdrawal: \( -\$200 \)
- Deposit: \( +\$350 \)
- Final balance: \( 500 + (-200) + 350 = 500 - 200 + 350 = 650 \)
Answer: \(\boxed{650}\)
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5. When Joey woke up, his temperature was 102°. Two hours later it was 3° lower. What was his temperature then?
- Initial temperature: \( 102^\circ \)
- Temperature drop: \( -3^\circ \)
- Final temperature: \( 102 + (-3) = 102 - 3 = 99 \)
Answer: \(\boxed{99}\)
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6. An elevator is on the twentieth floor. It goes down 10 floors and then up 5 floors. What floor is the elevator on now?
- Initial floor: \( 20 \)
- Down 10 floors: \( 20 - 10 = 10 \)
- Up 5 floors: \( 10 + 5 = 15 \)
Answer: \(\boxed{15}\)
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7. If it is 5° outside and the temperature will drop 18° in the next six hours, how cold will it get?
- Initial temperature: \( 5^\circ \)
- Temperature drop: \( -18^\circ \)
- Final temperature: \( 5 + (-18) = 5 - 18 = -13 \)
Answer: \(\boxed{-13}\)
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8. James has $47 left in his checking account. If he writes a check for $55, what will James’ balance be?
- Initial balance: \( \$47 \)
- Check amount: \( -\$55 \)
- Final balance: \( 47 + (-55) = 47 - 55 = -8 \)
James will have a
negative balance of \( \$-8 \).
Answer: \(\boxed{-8}\)
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9. It will be –12° tonight. The weatherman predicts it will be 28° warmer by noon tomorrow. What will the temperature be by noon tomorrow?
- Initial temperature: \( -12^\circ \)
- Temperature increase: \( +28^\circ \)
- Final temperature: \( -12 + 28 = 16 \)
Answer: \(\boxed{16}\)
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10. The average temperature at the South Pole is –35° F. The average temperature on the Equator is 92° F. How much warmer is the average temperature on the Equator than at the South Pole?
- Temperature at the South Pole: \( -35^\circ \)
- Temperature at the Equator: \( 92^\circ \)
- Difference: \( 92 - (-35) = 92 + 35 = 127 \)
The Equator is \( 127^\circ \) warmer than the South Pole.
Answer: \(\boxed{127}\)
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Final Answers:
1. \(\boxed{-15}\)
2. \(\boxed{-15}\)
3. \(\boxed{190}\)
4. \(\boxed{650}\)
5. \(\boxed{99}\)
6. \(\boxed{15}\)
7. \(\boxed{-13}\)
8. \(\boxed{-8}\)
9. \(\boxed{16}\)
10. \(\boxed{127}\)
Parent Tip: Review the logic above to help your child master the concept of free integer word problem worksheet.
