1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [64, 70] → [_, _, 36] → [14, _, _, 18] → [_, 7, _, _, 9] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, _] → [_, 23, _] → [_, _, 15, 12] → [6, 2, _, 9, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, _] → [_, _, 21] → [13, 10, 10, _] → [_, _, _, 6, 5] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 41] → [17, _, 22] → [_, _, _, 11] → [_, _, _, 4, 7] =