Maths Crossword Puzzle

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Across
  1. 3. one or more outcomes of an experiment make an
  2. 5. a part of number that do not include fractions, decimals, negative number
  3. 7. graph in which pictorial representation of data using symbols
  4. 11. The information collected in all such cases is called
  5. 12. is called the identity for the addition of rational numbers
  6. 13. name the property in which a(b+c)=ab+ac
Down
  1. 1. gives the number of times that a particular entry occurs.
  2. 2. jagged line used along the horizontal line in graph is called
  3. 4. equal to sign(=)is missing in
  4. 6. number that can be written without a fractional component
  5. 8. ________inverse of 21/112 is -21/112
  6. 9. difference between lower class and upper class limit is
  7. 10. data available to us in an unorganized form is Called