Rational numbers = Unit 1

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123456789101112
Across
  1. 4. numbers that can be written at a fraction (a/b, where b cannot equal 0
  2. 6. the product of 1 positive factor and 1 negative factor
  3. 9. two numbers that have a sum of 0 (opposites)
  4. 10. Example: -7(-8+8)=(-7*-8)+(-7*8)
  5. 11. a decimal that ends in 0 (it stops)
  6. 12. the set of positive whole numbers, their opposites, and 0 (...,-2,-1,0,1,2,...)
Down
  1. 1. counting numbers and 0 (0,1,2,3,...)
  2. 2. the distance from 0 on the number line
  3. 3. the product of 2 negative factors
  4. 5. Grouping does not change the solution Ex.(5*(-9))*6 = 5*((-9)*6)
  5. 7. order does not change the solution Ex. -3*(-12)=-12*(-3)
  6. 8. a decimal that repeats the same digit or block of digits without end