chapter1 and 2

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Across
  1. 4. a line that divides an angle into equal parts
  2. 6. two lines that cross each other.
  3. 7. two lines that never meet.
  4. 8. the result of multiplying a number by itself
Down
  1. 1. the point where two rays meet to form an angle
  2. 2. numbers 1,3,6,10...arranged in ___ shape
  3. 3. A number pattern where each term is the sum of the previous two terms (1,1,2,3,5,8...)
  4. 5. numbers formed by stacking objects in layers