1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [60, 64] → [_, 33, 31] → [12, _, _, 13] → [6, _, _, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [_, _] → [20, _, _] → [_, _, 7, _] → [_, 6, 5, 2, 7] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [_, _] → [_, 17, _] → [6, _, _, 12] → [1, _, 3, _, 6] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [26, _] → [13, _, _] → [6, _, _, 7] → [1, 5, _, _, _] =