1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [149] → [76, 73] → [_, _, _] → [_, 19, 19, 16] → [_, 10, _, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [148] → [71, _] → [_, _, 37] → [_, 20, _, 17] → [_, 10, _, _, 7] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [51, _] → [_, 25, _] → [_, _, _, _] → [_, 6, 7, 5, 6] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [_, _, _] → [7, _, 11, 15] → [_, 4, 3, _, 7] =