1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [51, _] → [30, _, 23] → [_, 12, _, 14] → [_, 10, _, _, 7] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 41] → [20, _, _] → [_, 8, _, _] → [6, 6, _, 7, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [63, 59] → [32, _, 28] → [17, _, 16, 12] → [_, _, _, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [35, 31, 20] → [18, _, _, 6] → [_, _, _, 5, 1] =