1. On a number line, when we add a positive integer, we

2. On a number line, when we add a negative integer, we

3. On a number line, when we subtract a positive integer, we

4. On a number line, when we subtract a negative integer, we

5. When two positive integers are added, we get

6. When two negative integers are added, we get

7. Which of the following statements is wrong?

8. Which of the following is true?

9. The product of two negative integers is

10. The product of three negative integers is