Math Puzzle

123456789101112
Across
  1. 3. the second operation we use when finding area of a triangle
  2. 6. another word to split something
  3. 7. the operation we use when finding area of a parallelogram
  4. 9. another word for taking away numbers
  5. 10. a shape with 4 equal sides and 4 right angles
  6. 11. six sides six angles
  7. 12. the letters you write after you find the area of a shape
Down
  1. 1. a shape with three sides and 3 angles
  2. 2. a word that means the same measurement
  3. 4. a close shape with no sides
  4. 5. a shape with four sides, opposite sides are parallel and equal in length
  5. 8. eight sides and eight angles
  6. 9. another word for adding numbers