1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [28, 22, _] → [13, _, 7, _] → [4, 9, 6, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [_, 12, _] → [9, _, 7, 8] → [_, _, 2, _, 3] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [47, _] → [23, _, _] → [13, 10, _, _] → [8, _, _, _, 9] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, 38] → [_, _, 15] → [19, 14, _, _] → [_, 10, 4, _, _] =