Sample quiz on addition and subtraction of integers
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  1. When two positive integers are added, the resulting integer is $\cdots$
    A: positive
    B: negative
    C: zero
    D: sometimes negative and sometimes positive
  2. When two negative integers are added, the resulting integer is $\cdots$
    A: zero
    B: positive
    C: negative
    D: sometimes negative and sometimes positive
  3. When a positive integer and a negative integer are added, the resulting integer is $\cdots$
    A: zero
    B: positive
    C: negative
    D: sometimes negative and sometimes positive
  4. If $a$ is an integer, what is the value of $-a+a$?
    A: $0$
    B: $2a$
    C: $-2a$
    D: $-a^2$
  5. What is the value of $-2+5$?
    A: $-7$
    B: $-3$
    C: $3$
    D: $7$
  6. What is the value of $-2+(-6)$?
    A: $-4$
    B: $-8$
    C: $+8$
    D: $+4$
  7. What is the value of $8-(-5)+(-13)$?
    A: $26$
    B: $10$
    C: $0$
    D: $-26$
  8. What is the value of $-22+52-32$?
    A: $-3$
    B: $-2$
    C: $62$
    D: $42$
  9. What is the value of $12+5-(-8)+(-16)$?
    A: $9$
    B: $-7$
    C: $-9$
    D: $25$
  10. What is the value of $-20-20+400$?
    A: $0$
    B: $-360$
    C: $-440$
    D: $+360$