Math Crossword

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Across
  1. 5. The distance around an M&M
  2. 6. Opposite of an Integral
  3. 8. What you do with this "+"
  4. 9. Inside of a 3D shape
  5. 10. Not quite whole
  6. 11. What you do when you are having pizza with friends
  7. 12. Repeated Addition
  8. 13. A shape and a part of a plant
  9. 14. When letters are used in math
Down
  1. 1. Opposite of a Derivative
  2. 2. The space of a 2D shape
  3. 3. A delicious dessert
  4. 4. If I take away 3 apples I'm
  5. 7. When there isn't an even amount of pizza
  6. 13. To the power of two