1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [143] → [_, _] → [_, 38, 32] → [_, _, 18, 14] → [5, _, _, 8, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, 44] → [12, 23, _] → [2, _, 13, _] → [_, _, 9, _, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [63, 48] → [_, _, _] → [19, 17, _, 11] → [_, _, 8, _, 9] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [_, 45] → [_, 23, 22] → [17, _, _, 11] → [_, 8, _, _, _] =