Understanding Math Terms

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Across
  1. 7. smallest integer divisible by both numbers
  2. 10. tree method commonly used for this
  3. 13. portion. ex) classroom to an entire school
  4. 14. proportion of something
  5. 15. 5 and -5 are both examples of_____
  6. 16. numbers greater than zero
  7. 19. ____ of 49=7
  8. 20. visual mathematical understanding
  9. 24. no end or repeat
  10. 25. set no numbers
  11. 26. how many times to multiply the base
  12. 28. the sum of situations
  13. 29. circles to show relationships
  14. 30. product
Down
  1. 1. (A∩B)
  2. 2. multiply term outside of parenthesis to inside terms
  3. 3. changing order of numbers with no result change
  4. 4. all numbers including zero
  5. 5. rational vs. irrational
  6. 6. have more than two factors
  7. 8. largest positive integer that divide numbers with no remainder
  8. 9. distributing group of things into equal parts
  9. 11. numbers less than zero
  10. 12. set group allowed to choose from
  11. 17. relations in elements or objects collected
  12. 18. number integers with factors only including itself and one
  13. 21. ex) 50-10=40
  14. 22. number consisting with an integer and a proper fraction.
  15. 23. most common used one is the decimal system
  16. 27. ex) 1,2,3,4...