1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [29, 28, 17] → [11, 18, _, _] → [2, _, 9, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [_, _] → [32, 27, 13] → [_, 17, _, _] → [_, 9, _, _, 1] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 38] → [_, 17, 21] → [_, _, 8, _] → [_, _, _, 6, 7] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 43] → [_, _, _] → [5, _, 11, _] → [4, 1, 2, _, 9] =