hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [28, 22, _] → [14, _, _, _] → [_, 8, 6, 2, 4]

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Answer: Row3[3]=14, Row1[1]=86, Row2[1]=50, Row4[2]=14, Row5[1]=6, Row2[2]=36, Row4[3]=8, Row4[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [50,36]
  • [28,22,14]
  • [14,14,8,6]
  • [6,8,6,2,4]
Base
  • 6
  • 8
  • 6
  • 2
  • 4
TopValue
86
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":86}
  • {"r":1,"c":0,"v":50}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":0,"v":6}
  • {"r":1,"c":1,"v":36}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, 48] → [_, _, 27] → [_, _, 13, _] → [5, 3, _, 8, _]

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Answer: Row4[4]=14, Row4[1]=8, Row5[5]=6, Row3[2]=21, Row5[3]=5, Row3[1]=16, Row4[2]=8, Row2[1]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [37,48]
  • [16,21,27]
  • [8,8,13,14]
  • [5,3,5,8,6]
Base
  • 5
  • 3
  • 5
  • 8
  • 6
TopValue
85
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [58, _] → [_, 28, 30] → [_, _, _, _] → [_, 10, 5, 8, _]

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Answer: Row2[2]=58, Row4[2]=15, Row4[4]=17, Row3[1]=30, Row4[1]=15, Row5[1]=5, Row4[3]=13, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [58,58]
  • [30,28,30]
  • [15,15,13,17]
  • [5,10,5,8,9]
Base
  • 5
  • 10
  • 5
  • 8
  • 9
TopValue
116
HiddenCells
  • {"r":1,"c":1,"v":58}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":0,"v":30}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [_, _] → [5, 11, _] → [2, _, 8, _] → [1, 1, _, _, _]

Show answer

Answer: Row2[1]=16, Row5[3]=2, Row3[3]=18, Row5[4]=6, Row2[2]=29, Row4[2]=3, Row5[5]=4, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [16,29]
  • [5,11,18]
  • [2,3,8,10]
  • [1,1,2,6,4]
Base
  • 1
  • 1
  • 2
  • 6
  • 4
TopValue
45
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":1,"v":3}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":3,"v":10}