hard Set 68 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, 39] → [_, _, 15] → [12, 13, 11, _] → [_, _, _, _, 2]

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Answer: Row2[1]=49, Row3[1]=25, Row5[1]=8, Row4[4]=4, Row5[4]=2, Row5[2]=4, Row3[2]=24, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [49,39]
  • [25,24,15]
  • [12,13,11,4]
  • [8,4,9,2,2]
Base
  • 8
  • 4
  • 9
  • 2
  • 2
TopValue
88
HiddenCells
  • {"r":1,"c":0,"v":49}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [_, _] → [_, _, _] → [10, 13, 17, 15] → [_, _, 8, 9, _]

Show answer

Answer: Row2[1]=53, Row3[2]=30, Row5[5]=6, Row3[1]=23, Row5[2]=5, Row3[3]=32, Row2[2]=62, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [53,62]
  • [23,30,32]
  • [10,13,17,15]
  • [5,5,8,9,6]
Base
  • 5
  • 5
  • 8
  • 9
  • 6
TopValue
115
HiddenCells
  • {"r":1,"c":0,"v":53}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":2,"v":32}
  • {"r":1,"c":1,"v":62}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [36, 37] → [21, _, _] → [_, _, 8, 14] → [_, _, 1, _, _]

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Answer: Row5[2]=6, Row3[3]=22, Row5[4]=7, Row5[5]=7, Row4[1]=14, Row3[2]=15, Row5[1]=8, Row4[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [36,37]
  • [21,15,22]
  • [14,7,8,14]
  • [8,6,1,7,7]
Base
  • 8
  • 6
  • 1
  • 7
  • 7
TopValue
73
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [68, 63] → [_, 36, 27] → [_, _, 18, 9] → [6, _, _, _, _]

Show answer

Answer: Row5[4]=8, Row5[5]=1, Row3[1]=32, Row4[2]=18, Row5[3]=10, Row5[2]=8, Row4[1]=14, Row1[1]=131

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [68,63]
  • [32,36,27]
  • [14,18,18,9]
  • [6,8,10,8,1]
Base
  • 6
  • 8
  • 10
  • 8
  • 1
TopValue
131
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":14}
  • {"r":0,"c":0,"v":131}