1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [36, _] → [17, 19, 15] → [_, _, 9, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 24] → [15, _, _] → [10, 5, _, 9] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, _] → [10, 8, _] → [_, 1, 7, 7] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 23] → [15, 15, _] → [_, _, 5, 3] =