9/15 crossword Stanfield

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Across
  1. 1. answer of a subtraction problem
  2. 4. shows the value of each digit by writing it as a sum of its place values
  3. 5. Precisely the same
  4. 8. expressing words and numbers as text rather than as numerals or other symbols
  5. 9. Answer of an addition problem
  6. 11. the worth, utility, or importance of something
  7. 12. a pointed, curved appendage at the end of a digit on animals like mammals, birds, and reptiles
  8. 14. A feature that helps an organism survive
  9. 15. not protected
  10. 16. of value
  11. 17. offered to the group
  12. 20. The place an organimsm lives
  13. 21. term that represents an unknown number
  14. 23. a function from a set to itself
  15. 24. harsh, damaging or sharp
  16. 26. a statement that the values of two mathematical expressions are equal
Down
  1. 1. copy
  2. 2. a stiff, sharp-pointed, straight or curved woody projection on a plant
  3. 3. a type of ionizing particle
  4. 4. the surroundings or conditions in which a person, animal, or plant lives
  5. 6. to view 2 items or ideas by similarities or differences
  6. 7. non-negative, real numbers
  7. 9. using digits for each place value
  8. 10. a repetitive action
  9. 13. causes a reaction in a living thing
  10. 17. estimate, measure, or note the similarity or dissimilarity between
  11. 18. deoxyribonucleic acid
  12. 19. paired units of genetic material
  13. 22. a group of three digits number, separated by commas, that helps organize and understand the number's place value
  14. 25. change which is a result or consequence of an action