1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 13] → [_, _, _] → [11, _, 3, _] → [10, _, _, 2, 3] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [_, _] → [_, _, 28] → [12, _, _, _] → [_, 10, 5, 8, 7] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [128] → [_, _] → [_, 34, 34] → [10, _, 18, _] → [_, 6, 10, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 37] → [26, _, 20] → [_, _, _, 14] → [_, 10, 1, _, _] =