cross word puzzle!

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Across
  1. 2. a statement that two mathematical expressions are equal
  2. 3. is the inside of the shape
  3. 4. uses variable expressions general rules about numbers number relationships and operations
  4. 6. property lets you multiplying each addened separately and then add the products
  5. 8. ia a value that may change within the scope of given problem of set of operations
Down
  1. 1. the condition of being unequal
  2. 3. measure the amount of term
  3. 5. the possible chances
  4. 7. the ratio of the circumference of any circle to its diameter approximately equal to 3.14
  5. 8. the amount of 3 dimensional copies