1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, 49] → [26, _, 22] → [11, 15, _, 10] → [_, _, _, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [113] → [_, _] → [16, _, 37] → [_, 11, _, _] → [4, _, _, 9, 9] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 9, _] → [11, 6, 3, _] → [7, _, _, 1, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [40, _] → [_, 24, _] → [_, 9, 15, _] → [_, _, _, 10, 10] =