choice board project

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Across
  1. 6. a number or quantity that when multiplied with another produces a given number or expression
  2. 8. expression of the sum of the difference of two terms
  3. 9. largest possible integer
  4. 10. x2 - 4x + 7
Down
  1. 1. a x b
  2. 2. a - b
  3. 3. a + b
  4. 4. unit of measurement
  5. 5. x + y + z
  6. 7. no correct answer