hard Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, 35] → [_, _, 19] → [_, _, 10, _] → [6, _, _, 7, 2]

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Answer: Row3[2]=16, Row4[1]=9, Row5[3]=3, Row3[1]=15, Row5[2]=3, Row4[4]=9, Row4[2]=6, Row2[1]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [31,35]
  • [15,16,19]
  • [9,6,10,9]
  • [6,3,3,7,2]
Base
  • 6
  • 3
  • 3
  • 7
  • 2
TopValue
66
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"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): [86] → [47, _] → [26, _, _] → [_, _, 9, _] → [10, 4, _, _, 8]

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Answer: Row4[2]=12, Row3[2]=21, Row5[4]=1, Row5[3]=8, Row3[3]=18, Row4[1]=14, Row2[2]=39, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [47,39]
  • [26,21,18]
  • [14,12,9,9]
  • [10,4,8,1,8]
Base
  • 10
  • 4
  • 8
  • 1
  • 8
TopValue
86
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":0,"v":14}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [_, 41] → [19, _, _] → [11, _, _, 13] → [6, _, _, _, 6]

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Answer: Row5[4]=7, Row2[1]=37, Row5[3]=3, Row3[2]=18, Row4[2]=8, Row5[2]=5, Row4[3]=10, Row3[3]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [37,41]
  • [19,18,23]
  • [11,8,10,13]
  • [6,5,3,7,6]
Base
  • 6
  • 5
  • 3
  • 7
  • 6
TopValue
78
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":1,"c":0,"v":37}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [21, 19, _] → [11, 10, _, _] → [_, _, 6, 3, _]

Show answer

Answer: Row3[3]=13, Row4[3]=9, Row1[1]=72, Row5[5]=1, Row4[4]=4, Row5[2]=4, Row2[2]=32, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [40,32]
  • [21,19,13]
  • [11,10,9,4]
  • [7,4,6,3,1]
Base
  • 7
  • 4
  • 6
  • 3
  • 1
TopValue
72
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":2,"v":9}
  • {"r":0,"c":0,"v":72}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":1,"v":32}
  • {"r":4,"c":0,"v":7}