1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 22, 18] → [9, _, 11, 7] → [_, 3, _, _, 4] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 22, _] → [7, 7, _, 17] → [5, _, 5, 10, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [39, _] → [23, _, _] → [13, _, _, _] → [_, _, 4, 2, 10] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [26, 30, 28] → [_, 16, _, _] → [3, _, 9, _, 9] =