hard Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, _] → [8, _, 25] → [_, _, 12, _] → [_, 1, 2, 10, _]

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Answer: Row4[2]=3, Row5[1]=4, Row5[5]=3, Row2[2]=40, Row4[1]=5, Row4[4]=13, Row3[2]=15, Row2[1]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [23,40]
  • [8,15,25]
  • [5,3,12,13]
  • [4,1,2,10,3]
Base
  • 4
  • 1
  • 2
  • 10
  • 3
TopValue
63
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":1,"v":15}
  • {"r":1,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 31, 17] → [14, _, _, 5] → [4, _, _, 3, 2]

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Answer: Row4[3]=12, Row5[2]=10, Row2[1]=64, Row3[1]=33, Row4[2]=19, Row1[1]=112, Row5[3]=9, Row2[2]=48

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [64,48]
  • [33,31,17]
  • [14,19,12,5]
  • [4,10,9,3,2]
Base
  • 4
  • 10
  • 9
  • 3
  • 2
TopValue
112
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":64}
  • {"r":2,"c":0,"v":33}
  • {"r":3,"c":1,"v":19}
  • {"r":0,"c":0,"v":112}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":1,"v":48}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 50] → [23, 28, 22] → [_, 13, _, _] → [6, _, _, 6, _]

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Answer: Row4[4]=7, Row1[1]=101, Row4[1]=10, Row5[2]=4, Row5[5]=1, Row4[3]=15, Row5[3]=9, Row2[1]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [51,50]
  • [23,28,22]
  • [10,13,15,7]
  • [6,4,9,6,1]
Base
  • 6
  • 4
  • 9
  • 6
  • 1
TopValue
101
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":101}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":51}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [48, 44] → [26, _, 22] → [_, 12, _, _] → [_, 4, _, _, _]

Show answer

Answer: Row3[2]=22, Row5[1]=10, Row5[3]=8, Row4[1]=14, Row4[4]=12, Row4[3]=10, Row5[4]=2, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [48,44]
  • [26,22,22]
  • [14,12,10,12]
  • [10,4,8,2,10]
Base
  • 10
  • 4
  • 8
  • 2
  • 10
TopValue
92
HiddenCells
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":10}