math vocabulary

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Across
  1. 2. inside measurement
  2. 3. magnitude of a real number without regard to its sign
  3. 5. outside measurement
  4. 6. number multipled by itself
  5. 7. angles that equal 90
  6. 9. fractions that look different but show exactly the same amount
  7. 11. number that goes into another number
  8. 12. educated guess
  9. 14. enclosing boundary of curved shape
  10. 17. angles that equal 180
  11. 18. number that can be divided by another number
  12. 20. smallest positive number that is a multiple of two or more
  13. 21. result obtained by dividing one quantity by another
  14. 22. quantity obtained by multiplying quantities together to get one
Down
  1. 1. order in which mathematicians perform math problems
  2. 4. two angles that have the same vertex
  3. 8. simplifies numbers by getting rid of zeros
  4. 10. letter that you put in for an unknown value
  5. 13. statement that the values of two mathematical expression are equal
  6. 15. tells how many times a number is multiplied
  7. 16. mathematical phrase that contains ordinary numbers
  8. 19. numerical of constant quantity placed before and after multiplying the variable
  9. 22. something out of 100