Algebra Crossword

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Across
  1. 3. The amount of surface around a figure
  2. 6. The amount of surface of a figure
  3. 8. Parts of an equation that are added or subtracted
  4. 9. (0,0)
  5. 10. A number that cannot be written as a fraction
  6. 11. When the product of 2 numbers is 1
  7. 13. When you add or subtract the same number to both sides of an equation it remains balanced
  8. 14. When the sum of 2 numbers is 0
  9. 16. When you add or multiply 2 numbers, the order doesn't matter
  10. 17. The number in front of a variable
  11. 18. One of the 4 regions of the coordinate plane
Down
  1. 1. Location of a part on the coordinate plane (x,y)
  2. 2. When you multiply or divide the same number to both sides of an equation it remains balanced
  3. 4. Result of multiplication
  4. 5. A number by itself (No variables)
  5. 7. When 2 or more numbers are added or multiplied the order doesn't matter
  6. 12. A number that can be written as a fraction
  7. 15. Result of addition