Crossword Puzzle

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Across
  1. 3. the numeral 0, used as a place holder.
  2. 5. symbol used to represent a number.
  3. 6. show that two expressions are equal
  4. 7. a number which multiplies a variable
  5. 9. being an odd number
  6. 12. in place value, another name for ones
  7. 14. a unit of time that is equal to 60 seconds.
  8. 17. exponent
  9. 18. terms like terms have the same variable and the
  10. 20. and mathematical symbols
  11. 22. all, everything, total amount all the parts.
Down
  1. 1. having the same shape but not necessarily the same size.
  2. 2. the result when two numbers are multiplied
  3. 4. one of the quadrilateral family of polygons.
  4. 8. parallel to the horizon.
  5. 10. a mathematical statement containing an equals sign,
  6. 11. sentence a mathematical sentence written in
  7. 13. number equal to 103
  8. 15. graph a graph using bars to show quantities or numbers
  9. 16. distance from one end to the other.
  10. 19. a list of labels that identifies categories on a graph
  11. 21. they can be easily compared