1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 5, 8] → [_, 2, _, 5] → [6, 1, 1, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [21, _, 17] → [_, 11, 10, _] → [8, _, 9, _, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [64, 55] → [_, 30, _] → [16, 18, _, 13] → [_, 10, _, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 43] → [11, _, 29] → [_, _, _, _] → [_, _, 1, 10, 8] =