hard Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 31] → [30, _, _] → [_, 12, _, 5] → [_, 9, _, _, 1]

Show answer

Answer: Row5[3]=3, Row3[3]=12, Row5[4]=4, Row4[3]=7, Row2[1]=49, Row3[2]=19, Row4[1]=18, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [49,31]
  • [30,19,12]
  • [18,12,7,5]
  • [9,9,3,4,1]
Base
  • 9
  • 9
  • 3
  • 4
  • 1
TopValue
80
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":49}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":0,"v":18}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, 24, _] → [_, _, _, 7] → [_, 8, 6, 4, 3]

Show answer

Answer: Row2[2]=41, Row3[3]=17, Row4[1]=9, Row4[3]=10, Row5[1]=1, Row4[2]=14, Row2[1]=47, Row1[1]=88

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [47,41]
  • [23,24,17]
  • [9,14,10,7]
  • [1,8,6,4,3]
Base
  • 1
  • 8
  • 6
  • 4
  • 3
TopValue
88
HiddenCells
  • {"r":1,"c":1,"v":41}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":0,"v":47}
  • {"r":0,"c":0,"v":88}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [_, _] → [_, 17, _] → [_, 7, 10, 18] → [3, _, _, _, 9]

Show answer

Answer: Row2[1]=33, Row4[1]=9, Row5[4]=9, Row3[3]=28, Row2[2]=45, Row5[2]=6, Row3[1]=16, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [33,45]
  • [16,17,28]
  • [9,7,10,18]
  • [3,6,1,9,9]
Base
  • 3
  • 6
  • 1
  • 9
  • 9
TopValue
78
HiddenCells
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":2,"v":28}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 61] → [19, _, _] → [_, 12, _, 17] → [4, 3, _, _, 10]

Show answer

Answer: Row5[3]=9, Row1[1]=108, Row4[3]=16, Row3[2]=28, Row5[4]=7, Row3[3]=33, Row4[1]=7, Row2[1]=47

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [47,61]
  • [19,28,33]
  • [7,12,16,17]
  • [4,3,9,7,10]
Base
  • 4
  • 3
  • 9
  • 7
  • 10
TopValue
108
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":0,"c":0,"v":108}
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":33}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":0,"v":47}