math world

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Across
  1. 2. mathematical sentence with an equal sign
  2. 6. shows how multiplication affects an addition or subtraction
  3. 8. mathematical sentence that contains one of the signs
  4. 9. ratioof the circumference c of any circle to its diameter d
  5. 10. formed by two rays with a common endpoint called a vertex
Down
  1. 1. an enlarged or reduced drawing of an object that is similar to the actual object
  2. 3. number that can be written as a quotient of two integers where the divisor is not 0
  3. 4. the number of square units it encloses
  4. 5. a relationship that assigns exactly one output value for each input value
  5. 7. likeliness that an event will happen