1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, 41] → [_, _, 20] → [_, _, 10, 10] → [_, 2, _, 1, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, _, 36] → [9, _, _, 19] → [8, 1, _, 10, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [33, _] → [_, 15, 15] → [_, _, 9, _] → [10, _, _, _, 1] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [_, _, 27] → [_, _, 14, 13] → [_, 4, 10, _, 9] =