1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, _] → [_, _, _] → [_, 13, 18, 16] → [_, _, 8, 10, 6] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, _, 28] → [_, 13, 12, 16] → [_, 9, _, _, 8] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [49, 54] → [24, _, 29] → [_, _, 13, _] → [_, _, _, 6, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [18, _, _] → [_, 6, 6, 10] → [_, _, _, 2, 8] =