hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 43] → [18, _, _] → [9, _, 10, _] → [1, _, 1, _, 5]

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Answer: Row5[2]=8, Row5[4]=9, Row1[1]=80, Row3[2]=19, Row2[1]=37, Row4[2]=9, Row3[3]=24, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [37,43]
  • [18,19,24]
  • [9,9,10,14]
  • [1,8,1,9,5]
Base
  • 1
  • 8
  • 1
  • 9
  • 5
TopValue
80
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":1,"v":19}
  • {"r":1,"c":0,"v":37}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":3,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [51, 46] → [_, _, _] → [_, 13, _, 9] → [8, _, 8, _, 5]

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Answer: Row4[1]=13, Row3[1]=26, Row1[1]=97, Row4[3]=12, Row5[4]=4, Row5[2]=5, Row3[3]=21, Row3[2]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [51,46]
  • [26,25,21]
  • [13,13,12,9]
  • [8,5,8,4,5]
Base
  • 8
  • 5
  • 8
  • 4
  • 5
TopValue
97
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":0,"v":26}
  • {"r":0,"c":0,"v":97}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":2,"v":21}
  • {"r":2,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 23, _] → [_, 13, 10, 6] → [_, _, 6, 4, 2]

Show answer

Answer: Row4[1]=12, Row3[1]=25, Row1[1]=87, Row5[1]=5, Row3[3]=16, Row2[2]=39, Row5[2]=7, Row2[1]=48

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [48,39]
  • [25,23,16]
  • [12,13,10,6]
  • [5,7,6,4,2]
Base
  • 5
  • 7
  • 6
  • 4
  • 2
TopValue
87
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":0,"v":25}
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":48}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [60, _] → [_, 28, _] → [_, 16, _, 11] → [_, _, 7, _, 6]

Show answer

Answer: Row4[3]=12, Row3[1]=32, Row5[4]=5, Row5[1]=7, Row5[2]=9, Row3[3]=23, Row4[1]=16, Row2[2]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [60,51]
  • [32,28,23]
  • [16,16,12,11]
  • [7,9,7,5,6]
Base
  • 7
  • 9
  • 7
  • 5
  • 6
TopValue
111
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":0,"v":32}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":1,"v":51}