Chanelle's Crossword Puzzle

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Across
  1. 1. The use of variables in mathematics.
  2. 6. Adding a number to that number repeatedly.
  3. 7. Opposite of squaring a number.
Down
  1. 1. Adding something to something else.
  2. 2. Figures placed to the right of a --- point.
  3. 3. Multiplying the same number by that number
  4. 4. Numbers that AREN'T whole numbers.
  5. 5. Ratio of a circumference of any circle to the diameter of that circle.