Maths crossword

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Across
  1. 5. Data represented in the form of pictures
  2. 6. A triangle with three lines of symmetry
  3. 9. A number which is neither a prime nor a composite number
  4. 10. The number of times you can rotate a figure that has rotational symmetry
  5. 11. The top number of fractions written in standard form
  6. 12. Only even prime number
  7. 13. Fraction in which numerator is greater than denominator
  8. 14. The space occupied by a closed figure
  9. 16. The general name for all postive and negative numbers
Down
  1. 1. Fractions representing same share or number
  2. 2. Quadrilateral having no rotational symmetry but only one line symmetry
  3. 3. A table where tally marks are displayed
  4. 4. The boundary length of a closed figure
  5. 7. Number of line symmetry in a circle
  6. 8. Numbers with no common factors other than one
  7. 15. Collection of facts or numbers to get information