1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [_, _] → [17, 17, _] → [9, _, _, 14] → [3, _, _, _, 7] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [9, _, _] → [5, _, _, 6] → [2, _, 1, 3, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 27] → [_, 10, _] → [11, _, _, 11] → [8, _, 1, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, _] → [21, _, _] → [_, 9, _, 3] → [_, 6, 3, _, 2] =