Properties of Integers

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Across
  1. 4. The _________ Principle for Multiplication of Integers says (a*b)*c = a*(b*c)
  2. 5. The number we divide by
  3. 7. The Principle for Adding _________ says -a + a = 0
  4. 9. A negative times a positive is _____________.
  5. 13. The __________ Principle for Addition of Integers says a + b = b + a
  6. 14. The Principle for Multiplying _______ says a*0 = 0
  7. 15. The Commutative Principle for ____________ of Integers says a*b = b*a
  8. 16. The Principle for Multiplying By _____________ says a * -1 = -a
Down
  1. 1. A negative times a negative is _____________.
  2. 2. The number we divide into
  3. 3. A number that can only be factored into 1 times itself
  4. 6. Numbers which are multiplied
  5. 8. The Principle for Multiplying ________ says a * 1 = a
  6. 10. The ____________ Principle for Addition of Integers says (a + b) + c = a + (b + c)
  7. 11. When using order of operations always start with ____________.
  8. 12. The Principle for Adding ______ says a + 0 = 0 + a