Cross Number Puzzle

12345678910
Across
  1. 3. a number used with a point followed by digits
  2. 4. a numerical quantity that is not a whole number
  3. 7. the inverse of squaring a number
  4. 8. the square of an integer (two word)
  5. 10. the relation between numbers that are not equal employing a sign such as = > <
Down
  1. 1. an expression with a radical sign (two word)
  2. 2. the study of numbers
  3. 5. a statement that the values of two mathematical expressions are equal
  4. 6. a surface in which one end is higher or lower than the other
  5. 9. a relationship or expression involving one or more variables