VOCABULARY WORDS

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Across
  1. 1. Continuous line forming the boundary of a closed shape
  2. 4. (0,0)
  3. 8. Amount of surface
  4. 9. change the position the numbers when adding or multiplying any two numbers
  5. 10. Changing the sign of the number and adding it to the original number to get 0
  6. 11. A number by itself
  7. 15. when we multiply the same real number on both the sides of an equation
  8. 16. The location on a grid
Down
  1. 2. An ending number
  2. 3. a number which when multiplied by x yields the multiplicative identity 1
  3. 5. The answer to a multiplication problem
  4. 6. Repeating decimal
  5. 7. The answer to a addition problem
  6. 11. The number in front of a variable
  7. 12. Part of an equation
  8. 13. 1 of the coordinate plains
  9. 14. when the same quantity is added to both sides of an equation