1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [_, 31, _] → [10, 16, _, 8] → [2, _, _, 7, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [_, 20, _] → [10, _, _, 14] → [1, 9, _, _, 9] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 55] → [_, 23, _] → [4, _, 15, _] → [3, _, _, 8, 9] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 51] → [_, 23, _] → [10, _, _, _] → [6, _, _, 7, 8] =