1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [28, 27, _] → [15, _, _, _] → [_, 6, _, 7, 6] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 15] → [4, 5, 6, _] → [2, 2, _, _, 6] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, 51] → [_, _, _] → [_, _, _, 12] → [_, 8, 5, 8, 4] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [_, _, 13] → [_, 18, _, _] → [3, 8, _, 1, 1] =