Math Vocabulary

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Across
  1. 4. notation writing a number to show the value of each digit
  2. 6. is a mathematical phrase involving only numbers and one or more operational symbols
  3. 7. the process of equating one thing with another
  4. 9. are used in mathematical expressions to denote modifications to normal order of operations
  5. 12. to change (something) so that it fits, corresponds, or conforms; adapt; accommodate
  6. 14. making a number simpler but keeping its value close
Down
  1. 1. is a number that is bigger than zero
  2. 2. is a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operation symbols
  3. 3. "to estimate."
  4. 5. is a real number that is less than zero
  5. 8. is a straight line with a "zero" point in the middle, with positive and negative numbers on opposite size
  6. 10. to find something close to the correct answer
  7. 11. solutions therefore need not be closed-form
  8. 13. math make calculations in their minds