Mathematics Crossword Puzzle

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Across
  1. 5. a number that does not produce a whole number when it is divided by two
  2. 7. the amount or number of something
  3. 11. a number greater than 1 and has no whole number factor other than 1 and itself
  4. 12. the science of numbers, forms, amounts, and their relationships
  5. 13. a number that can be exactly divided by two, for example four, six, or eight
  6. 15. collection of well-defined objects
  7. 17. a shape with four 90 degree angles and four sides, with opposite sides of equal length and two sides longer than the other two
  8. 18. the numbers that have no repeating decimals
  9. 20. the answer to a problem
  10. 22. a set which contains no element
  11. 24. the zero point on a number line or the point where the horizontal and vertical lines on a graph cross
Down
  1. 1. a round, flat shape
  2. 2. a shape with four equal sides and four 90 degree angles
  3. 3. an expression that contains an assertion which is definetely either true or false
  4. 4. to discover an amount or number using mathematics
  5. 6. the relationship between two things expressed in numbers to show how much bigger one is than the other
  6. 8. letters, and symbols that shows that one amount is equal to another
  7. 9. someone who studies mathematics
  8. 10. a mathematical plan consisting of overlapping circles that show how things that belong to mathematical sets relate to each other
  9. 11. a question that you use mathematics to solve
  10. 14. the length of the outer edge of a shape
  11. 15. a simple mathematical calculation such as adding two numbers together
  12. 16. a flat shape with three sides
  13. 19. a unit that forms part of the system of counting and calculating
  14. 21. the measure of a flat space or surface
  15. 23. a point half the distance along something such as a line