1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [_, 21, _] → [3, 10, 11, 10] → [_, _, _, _, 7] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [44, 46] → [_, 22, _] → [12, _, 12, 12] → [_, _, _, _, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [48, _] → [_, 26, 31] → [_, _, _, _] → [_, 4, 7, 8, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [69, 57] → [37, _, 25] → [_, 17, _, 10] → [_, _, _, _, 2] =