1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, _, 20] → [17, _, 10, 10] → [_, 7, _, _, 7] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [94] → [48, _] → [21, _, 19] → [_, _, _, _] → [1, 6, 8, _, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [30, 19, _] → [16, _, _, 6] → [_, 10, _, 1, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [125] → [_, _] → [_, _, 31] → [_, _, 16, 15] → [4, _, 6, 10, _] =