Robeson's Crossword

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Across
  1. 3. a math sentence that uses = to show that two expressions are equivalent
  2. 5. set of whole numbers and their opposites
  3. 6. a solid where all faces are polygons
  4. 8. the science of collecting, organizing, and interpreting info
  5. 9. parts of an algebraic expression
Down
  1. 1. value of numerical expression
  2. 2. two numbers with the product 1
  3. 4. comparison of two amounts
  4. 6. a closed figure made up of 3 or more line segments
  5. 7. digits on the left