Operations with Negative Numbers
This worksheet focuses on advanced operations involving negative numbers, including addition, subtraction, multiplication, and division, suitable for Grade 12 students.
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Operations with Negative Numbers
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Read each question carefully and perform the indicated operations with negative numbers. Show all your work for full credit.
1. When multiplying two negative numbers, the result is always .
2. Subtracting a negative number is equivalent to a positive number.
3. The product of an odd number of negative factors is always .
4. Evaluate: -15 + (-8) - 12
5. Calculate: 23 - (-17) + (-5)
6. What is the result of -30 - 10 - (-25)?
7. Which of the following expressions equals -72?
(-8) × (-9)
(-12) × 6
(-144) ÷ (-2)
(-6) × (-12)
8. Simplify the expression: [(-4) × 5] ÷ (-2)
-10
10
20
-20
9. The sum of two negative integers is always a negative integer.
True
False
10. Dividing a positive number by a negative number results in a positive quotient.
True
False
11. The temperature dropped from 5°C to -12°C. What was the total change in temperature?
12. A submarine is at a depth of -250 feet. It ascends 100 feet and then descends 75 feet. What is its final depth?
13. Represent the operation -3 + 7 on the number line below. Indicate the starting point, direction, and endpoint.