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Lesson 1: Understand Integers — Practice Questions

  1. 1. On a number line, the opposite of the number $-15$ is ___.

  2. 2. What is the simplified value of the expression $-(-11)$?

    • A. 11
    • B. -11
    • C. 0
    • D. 22
  3. 3. Which statement is always true about a non-zero number and its opposite?

    • A. They are both positive numbers.
    • B. They are both negative numbers.
    • C. One is positive and one is negative.
    • D. They are located on the same side of zero.
  4. 4. If a withdrawal of 40 dollars is represented by the number $-40$, its opposite, a deposit of 40 dollars, is represented by the number ___.

  5. 5. Calculate the value of the expression $-(-(-20))$. The result is ___.

  6. 6. To plot the integer $-8$ on a number line, how would you move from the starting point of $0$?

    • A. Move 8 units to the right.
    • B. Move 8 units to the left.
    • C. Stay at 0.
    • D. Move 0 units to the right.
  7. 7. If you start at $0$ on a number line and move $11$ units to the right, you will be at the integer ___.

  8. 8. Which of the following statements about the number zero is correct?

    • A. Zero is a positive integer.
    • B. Zero is a negative integer.
    • C. Zero is neither positive nor negative.
    • D. Zero is not an integer.
  9. 9. Every integer has an opposite. The opposite of the integer $25$ is ___.

  10. 10. A submarine is at sea level, which is represented by the integer $0$. If it dives $100$ feet, which integer represents its new position?

    • A. 100
    • B. -100
    • C. 0
    • D. 10