1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [65, _] → [31, _, 28] → [_, 17, _, _] → [7, 7, _, 7, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [_, 22, 31] → [8, _, 13, 18] → [_, _, _, 8, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, _] → [34, _, 14] → [_, 15, _, _] → [_, 10, 5, _, 5] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 31] → [_, 12, 19] → [_, _, _, _] → [_, 2, _, 4, 8] =