1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [31, _] → [_, 11, 11] → [_, _, 3, 8] → [5, _, _, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, 38] → [_, 22, 16] → [_, _, _, _] → [5, _, 7, _, 5] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [29, _, 23] → [18, 11, 11, _] → [8, _, _, 10, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [_, 69] → [_, _, 37] → [_, 12, 20, _] → [_, 2, _, _, 7] =