Math crossword puzzle (Elijah sanchez)

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123456
Across
  1. 2. a way of solving missing numbers Example: n + e = f
  2. 3. a specific part of a circle the is called by its end points
  3. 4. a way of increasing numbers Example: 2 _ 5 = 10
  4. 5. a way of increasing numbers Example: 3 _ 2 = 5
Down
  1. 1. a way of decreasing numbers Example: 5 _ 2 = 3
  2. 2. the full covering of a shape Example: an __ of a square is 10 cm
  3. 6. a way of decreasing numbers Example: 10 _ 2 = 5