1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [130] → [_, _] → [_, 35, 21] → [19, _, _, _] → [9, 10, _, 5, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [63, 53] → [_, 31, _] → [_, _, _, 8] → [_, _, _, 6, 2] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, _] → [11, 9, _] → [_, _, 6, 12] → [_, 1, _, 4, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, _] → [17, 25, _] → [8, _, _, 17] → [7, _, _, _, 9] =