Adding and Subtracting Negative Numbers
Practice adding and subtracting negative numbers with this Grade 8 math worksheet.
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Adding and Subtracting Negative Numbers
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Read each question carefully and solve the problems involving addition and subtraction of negative numbers. Show your work where indicated.
1. When you subtract a negative number, it's the same as a positive number.
2. The sum of a number and its opposite is always .
3. Moving to the left on a number line represents .
4. Which expression is equivalent to -5 - (-8)?
-5 + 8
-5 - 8
5 - 8
5 + 8
5. What is the result of -12 + 7?
5
-5
19
-19
6. Calculate: -15 + (-20)
7. Calculate: 8 - (-10)
8. Calculate: -7 - 4
9. The expression 6 + (-9) is equivalent to 6 - 9.
True
False
10. When you add two negative numbers, the sum is always positive.
True
False
11. Use the number line below to demonstrate the solution to -3 + 5.
12. The temperature in the morning was -4°C. By afternoon, it dropped another 7°C. What is the new temperature?
13. A submarine is at a depth of -250 meters. It then ascends 80 meters. What is its new depth?
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