1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [21, _] → [9, _, 12] → [6, _, 9, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [21, _] → [8, 13, 16] → [_, _, _, 9] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [11, 18] → [_, _, 10] → [2, _, _, 3] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [_, 25] → [8, _, 13] → [_, 3, _, 4] =