Simple Math Thing

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Across
  1. 4. First Repeated Operation
  2. 6. Opposite of The Other Repeated Operation
  3. 10. Repeated Multiplication
  4. 11. Not a number but kids like to use it
  5. 12. Only two factor
Down
  1. 1. Also Learned in Kinder
  2. 2. Learned in Kinder
  3. 3. An Equation with no answer
  4. 5. More than two factors
  5. 7. two words and the number system most people use
  6. 8. An expression with an answer
  7. 9. opposite of repeated Multiplication