Number crossword

12345678910111213141516171819
Across
  1. 2. putted to indicate the tenths
  2. 6. a number
  3. 9. to times
  4. 10. how many times to use the number in a multiplication
  5. 11. a relationship between inputs
  6. 14. to minus
  7. 17. a device to find answers
  8. 18. quantifying the length, weight, capacity (volume), and many more quantities
  9. 19. a set with one or more binary operations defined on it
Down
  1. 1. a number signifying the result of a calculation or function
  2. 3. the part of a whole thing
  3. 4. a statement that supports the equality of two expressions
  4. 5. to add
  5. 7. procedure for solving a mathematical problem
  6. 8. the value represented by a digit in a number
  7. 11. one of two or more numbers that divides into a number without a remainder
  8. 12. an arithmetic value used to represent quantity
  9. 13. a whole number greater than 1 whose only factors are 1 and itself.
  10. 15. the middle of a set of numbers
  11. 16. the name of the bottom half of a fraction