Mathematics puzzle

1234567891011121314151617181920212223242526
Across
  1. 5. a six sided and six angled polygon
  2. 7. the two-Dimensional space taken up by an object or shape
  3. 8. it is the same as the mean. Add up series of numbers and divide the sum by the total
  4. 10. the branch of mathematics that substitutes letters for numbers to solve for unknown values
  5. 11. a statement that shows the equality of two expressions
  6. 13. a quantity that is not whole that contains a numerator and denominator
  7. 18. a letter or number representing a quantity attached to a term
  8. 21. an equation expressing and containing greater than and less than
  9. 22. a number that can be divided or divisible by
  10. 24. always a positive number, refers to the distance of a number from 0
  11. 25. the unit of an angles measure
  12. 26. a real number on the base ten standard numbering system
Down
  1. 1. the ordered pair that gives a precise location or position
  2. 2. a line that divides a figure into two equal shapes
  3. 3. a unit of measurement equal to 1000 meters
  4. 4. the study of lines, angles, and shapes
  5. 6. it is the middle value in a series of numbers ordered from least to greatest
  6. 7. An early counting tool used for basic arithmetic.
  7. 9. a metric unit of measurement for length
  8. 10. two rays sharing the same endpoint
  9. 12. the volume of substance that a container will hold
  10. 14. a value that does not change
  11. 15. a set of numbers or objects that follow a specific pattern
  12. 16. a straight infinite path
  13. 17. a number involved in an addition problem
  14. 19. describes the relationship between two or more variables
  15. 20. all whole numbers, positive or negative, including 0
  16. 23. objects and figures that have the same size and shape