1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [_, 18] → [15, _, 6] → [_, _, 5, 1] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [19, 25] → [8, _, _] → [_, 7, _, 10] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, 26] → [15, _, 13] → [_, 7, 6, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [16, 14] → [_, 8, 6] → [_, _, _, 3] =