Adding and Subtracting Negative Numbers
Grade 9 worksheet on adding and subtracting negative numbers, including number line representations and real-world problems.
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Adding and Subtracting Negative Numbers
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Read each question carefully and solve the problems. Show your work where indicated.
1. Adding a negative number is the same as a positive number.
2. Subtracting a negative number is the same as a positive number.
3. When adding two negative numbers, the result will always be .
4. Calculate: -8 + (-5)
5. Calculate: 12 - (-7)
6. Calculate: -15 - 4
7. Calculate: -3 + 10
8. The sum of a positive number and a negative number is always negative.
True
False
9. Subtracting 5 from -3 results in 2.
True
False
10. Use the number line below to show the calculation: -2 + (-4)
11. Use the number line below to show the calculation: 5 - 8
12. Which expression has the same value as 9 - (-4)?
9 - 4
-9 + 4
9 + 4
-9 - 4
13. The temperature dropped from 5°C to -3°C. What was the change in temperature?
2°C
-2°C
8°C
-8°C
14. A submarine is at a depth of -50 meters. It then ascends 20 meters and later descends 35 meters. What is its final depth?
15. Sarah had a balance of -$25 in her bank account. She deposited $40. What is her new balance?