1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [22, 22, 21] → [12, _, _, 9] → [10, _, _, _, 5] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 36] → [18, _, _] → [_, 7, _, 11] → [10, 1, _, _, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 30] → [_, _, 18, _] → [6, 4, 9, 9, 3] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [36, 31] → [_, 16, _] → [_, 9, 7, _] → [7, _, _, _, _] =