Math Time

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Across
  1. 4. Letter used to represent a number
  2. 5. A shape with three sides
  3. 6. A shape with four equal sides
  4. 7. Point where two lines meet
  5. 9. The result of subtraction
  6. 10. Statement that two expressions are equal
Down
  1. 1. The sum of numbers divided by how many there are
  2. 2. The result of multiplying numbers
  3. 3. Highest power of a variable in a polynomial
  4. 8. Number that multiplies a variable