Mathematics Crossword Puzzle

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Across
  1. 2. AN ALGEBRAIC EXPRESSION CONTAINING MANY TERMS
  2. 5. FRACTIONS WITH DIFFERENT DENOMINATOR
  3. 6. NUMBERS WITH NO COMMON FACTOR EXCEPT 1
  4. 7. FRACTIONS WHOSE DENOMINATOR IS SMALLER THAN THE NUMERATOR
  5. 10. THE HIGHEST NUMBER THAT EXACTLY DIVIDES TWO OR MORE NUMBERS
  6. 11. A FOUR SIDED NON-REGULAR POLYGON WITH EQUAL DIAGONALS
  7. 12. THE MIDDLE NUMBER/OBJECT IN AN ORDERED GROUP OF NUMBERS/OBJECTS
  8. 16. THE BOUNDARY OF A SHAPE
  9. 20. THE POINT OF INTERSECTION OF THE ARMS OF AN ANGLE
  10. 22. A LINE WHICH INTERSECTS TWO OR MORE OTHER LINES
  11. 24. POINT OF INTERSECTION OF THE MEDIANS OF A TRIANGLE
  12. 25. A PLANE FIGURE HAVING INFINITE LINES OF SYMMETRY
Down
  1. 1. TWO TRIANGLES IN WHICH TWO PAIRS OF CORRESPONDING SIDES AND THE INCLUDED ANGLES ARE EQUAL
  2. 3. THIS IS THE SAME OPERATION AS "REPEATED ADDITION"
  3. 4. SIDES OF A POLYGON WHICH ARE NOT ADJACENT
  4. 8. A TYPE OF NUMBER, ALL OF WHOSE FACTORS ADD UP TO GIVE DOUBLE OF THE NUMBER
  5. 9. NUMBERS THAT CAN BE EXPRESSED AS FRACTIONS
  6. 13. BANK GIVES THIS ON DEPOSITED AMOUNTS
  7. 14. THE NUMBER WHICH IS THE ADDITIVE INVERSE OF ITSELF
  8. 15. AN ANGLE ABOVE 180 DEGREES BUT LESS THAN 360 DEGREES
  9. 17. A LETTER/SYMBOL WHICH HAS NO FIXED VALUE
  10. 18. A NUMBER PLACED IN FRONT OF A VARIABLE
  11. 19. A NUMBER TO WHICH AN EXPONENT IS RAISED
  12. 21. THE SUM OF ANY TWO SUCH TYPE OF CONSECUTIVE NUMBERS IS A SQUARE NUMBER
  13. 23. ANOTHER NAME FOR THE MULTIPLICATIVE INVERSE OF NON-ZERO NUMBERS