Mathematics

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Across
  1. 3. a line from the center to the circumference
  2. 5. an operation to find the difference
  3. 7. branch of mathematics that uses letters and symbols to represent numbers and quantities in equations and formulas
  4. 8. shape like a wheel
  5. 9. the smallest prime number
  6. 10. is what you get by dividing a number by itself
Down
  1. 1. The part of a fraction that is above the line
  2. 2. .. are whole numbers that can be positive, negative, or zero, but not fractions or decimals
  3. 4. a geometric shape formed when two rays meet at a common endpoint,
  4. 6. a line segment twice the length of radius