1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [_, 11, _] → [6, 4, _, _] → [5, 1, 3, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, _] → [24, _, _] → [9, _, _, 13] → [1, 8, _, 6, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, _] → [_, 28, 30] → [4, _, 18, _] → [2, _, _, 10, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, _] → [_, _, _] → [_, 12, _, _] → [1, 10, 2, 5, 7] =