1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, _] → [13, _, 25] → [8, _, _, 13] → [5, _, 2, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, 18, _] → [15, 8, _, 12] → [_, _, 1, 9, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [18, _, _] → [_, 9, 10, 13] → [3, _, 3, _, 6] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, _] → [_, _, _] → [8, 16, _, _] → [2, _, 10, 1, 8] =