1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [20, 20, _] → [_, 11, _, _] → [3, _, 5, 4, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, _] → [_, 11, _] → [_, 6, 5, 12] → [_, 4, 2, _, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [35, _] → [_, _, 19] → [12, 8, _, _] → [7, 5, _, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [57, _] → [_, 26, 31] → [18, _, 13, 18] → [_, _, _, _, 8] =