hard Set 64 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [57, _] → [_, 33, 32] → [_, 16, _, 15] → [1, _, 9, _, _]

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Answer: Row4[3]=17, Row3[1]=24, Row2[2]=65, Row5[2]=7, Row5[4]=8, Row5[5]=7, Row1[1]=122, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [57,65]
  • [24,33,32]
  • [8,16,17,15]
  • [1,7,9,8,7]
Base
  • 1
  • 7
  • 9
  • 8
  • 7
TopValue
122
HiddenCells
  • {"r":3,"c":2,"v":17}
  • {"r":2,"c":0,"v":24}
  • {"r":1,"c":1,"v":65}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":7}
  • {"r":0,"c":0,"v":122}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [36, _] → [19, _, _] → [_, 7, 10, _] → [_, _, 3, _, 10]

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Answer: Row3[3]=27, Row5[1]=8, Row2[2]=44, Row4[1]=12, Row3[2]=17, Row5[4]=7, Row4[4]=17, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [36,44]
  • [19,17,27]
  • [12,7,10,17]
  • [8,4,3,7,10]
Base
  • 8
  • 4
  • 3
  • 7
  • 10
TopValue
80
HiddenCells
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":0,"v":8}
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 20] → [_, 7, _] → [_, _, 5, _] → [_, 1, 1, _, 4]

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Answer: Row4[4]=8, Row4[1]=2, Row4[2]=2, Row5[1]=1, Row3[1]=4, Row3[3]=13, Row5[4]=4, Row1[1]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [31]
  • [11,20]
  • [4,7,13]
  • [2,2,5,8]
  • [1,1,1,4,4]
Base
  • 1
  • 1
  • 1
  • 4
  • 4
TopValue
31
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":2}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":3,"v":4}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, _] → [14, 21, _] → [_, _, 13, _] → [4, 2, _, 7, _]

Show answer

Answer: Row2[2]=49, Row3[3]=28, Row4[1]=6, Row4[2]=8, Row4[4]=15, Row2[1]=35, Row5[5]=8, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [35,49]
  • [14,21,28]
  • [6,8,13,15]
  • [4,2,6,7,8]
Base
  • 4
  • 2
  • 6
  • 7
  • 8
TopValue
84
HiddenCells
  • {"r":1,"c":1,"v":49}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":3,"v":15}
  • {"r":1,"c":0,"v":35}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":2,"v":6}