1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 21, _] → [13, 8, 13, 20] → [8, 5, _, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [22, 23, 17] → [_, _, 11, _] → [_, _, 8, 3, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [12, 12, 10] → [_, _, 6, _] → [3, _, _, 3, 1] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [118] → [58, _] → [_, 29, _] → [14, _, 14, 17] → [_, _, _, 8, _] =