Crossword 1.2 through 6.2

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Across
  1. 3. The position of each digit in a number determines its _____.
  2. 4. A combination of operations on variables and numbers.
  3. 5. The addends of an algebraic expression.
  4. 7. A mathematical statement that two ratios are equal.
  5. 10. The _____ of a number is its distance from zero on a number line.
  6. 12. An expression that indicates the quotient of two quantities.
  7. 14. The middle number in a set of numbers written in numerical order.
  8. 15. The distance around a polygon.
  9. 17. The letter used to represent a number.
Down
  1. 1. A value of a variable that makes an equation a true statement.
  2. 2. Two numbers are _____ of each other if their product is 1.
  3. 3. A natural number greater than 1 whose only factors are 1 and itself.
  4. 6. The _____ are 0, 1, 2, 3, …
  5. 8. The number factor of a variable term.
  6. 9. A term that is a number only.
  7. 11. The number in a set of numbers that occurs most often.
  8. 13. The top number in a fraction.
  9. 16. A(n) _____ can be written in the form ‘expression = expression.”