1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, 11] → [_, _, _] → [7, 1, 1, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [19, _] → [_, _, 6] → [1, _, 2, 4] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, 34] → [13, _, _] → [_, 10, 7, 10] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [29, _] → [_, _, 5] → [_, 10, 2, 3] =