math crossword

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Across
  1. 2. to find a number close to a exact amount
  2. 3. number A number that can be expressed as a ratio of two intergers
  3. 5. a mathematical sentence that compares two unequal expressions using one of the symbols greater than or less than
  4. 7. a statement that two mathmatical expressions are equal
  5. 8. the number of cubic units it takes
  6. 9. the measure,in square units,of the interior region of a 2-dimensional figure or the surface of a 3-dimensional figure
Down
  1. 1. two rays that share an endjoint
  2. 2. A variable or combbinatiom of variables,numbers,and symbols
  3. 4. An expression that represents an amount that can have different values
  4. 6. algebra uses variables to express general rules about numbers,number relationships and perations