1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, _] → [_, 23, 20] → [10, _, _, _] → [5, _, 7, 4, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [59, 57] → [_, _, _] → [_, _, 15, _] → [4, _, 5, 10, 2] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [17, _, 15] → [_, _, 10, 5] → [5, 2, _, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [_, _] → [19, _, _] → [7, 12, _, 11] → [5, _, 10, _, _] =