Jan 8-11

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123456789101112
Across
  1. 2. A number with exactly 2 factors, 1 and itself
  2. 3. smaller than zero
  3. 7. usual form of a number
  4. 9. positive one and negative one are _____ numbers
  5. 10. Start at a number, then count on by that number to get the multiples of that number
  6. 12. rounding one number up, and the other number down
Down
  1. 1. making the number friendly
  2. 4. pulling apart a number
  3. 5. larger than zero
  4. 6. pair of numbers that are easy to work with
  5. 8. A number with more than 2 factors
  6. 11. the set of numbers