Maths Crossword

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Across
  1. 3. A simple closed curve or a polygon formed by three line-segments
  2. 5. the result obtained by adding numbers
  3. 6. when you break a number down into smaller numbers that, multiplied together, give you that original number.
  4. 8. a series that advances in a logical and predictable pattern
Down
  1. 1. theorem when the square of the hypotenuse side is equal to the sum of squares of the other two sides
  2. 2. something that pertains to squares, to the operation of squaring
  3. 4. statement of equality between two expressions consisting of variables and/or numbers
  4. 7. the branch of mathematics that deals with the study of numbers using various operations on them