1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 22] → [_, _, _] → [6, 5, _, _] → [_, _, 2, 1, 10] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [_, 18, _] → [12, _, 9, _] → [10, _, 7, _, 3] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [_, 16, 18] → [6, _, _, 9] → [5, _, 6, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, 21] → [_, 9, _] → [_, 5, _, 8] → [7, _, _, 1, _] =