1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 21, 23] → [_, _, 10, 13] → [5, _, 5, 5, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [_, _] → [35, _, 24] → [18, 17, _, _] → [_, _, 9, 5, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, _] → [_, _, _] → [_, _, 4, 10] → [9, 4, 3, _, 9] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [4, 8, 14, 10] → [2, _, 6, _, 2] =