1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [53, _] → [_, _, _] → [_, 14, 13, _] → [_, 6, 8, 5, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [_, _] → [_, _, 19] → [19, _, 10, _] → [10, _, 4, 6, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [_, 41] → [_, _, 21] → [_, _, 12, 9] → [_, 2, 6, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, _] → [_, _, 14] → [10, 6, _, 8] → [_, 2, 4, _, _] =