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): [_] → [_, 56] → [_, _, 24] → [_, _, _, 11] → [1, 10, 9, 4, _]

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Answer: Row4[1]=11, Row4[2]=19, Row1[1]=118, Row5[5]=7, Row3[2]=32, Row2[1]=62, Row4[3]=13, Row3[1]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [62,56]
  • [30,32,24]
  • [11,19,13,11]
  • [1,10,9,4,7]
Base
  • 1
  • 10
  • 9
  • 4
  • 7
TopValue
118
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":1,"v":19}
  • {"r":0,"c":0,"v":118}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":1,"v":32}
  • {"r":1,"c":0,"v":62}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [30, 32] → [15, _, _] → [7, _, 7, _] → [_, _, 3, _, _]

Show answer

Answer: Row5[5]=6, Row3[2]=15, Row5[4]=4, Row4[2]=8, Row3[3]=17, Row4[4]=10, Row5[1]=2, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [30,32]
  • [15,15,17]
  • [7,8,7,10]
  • [2,5,3,4,6]
Base
  • 2
  • 5
  • 3
  • 4
  • 6
TopValue
62
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [39, _] → [23, 16, 17] → [12, _, _, 12] → [_, _, _, _, _]

Show answer

Answer: Row5[3]=1, Row2[2]=33, Row5[4]=4, Row5[2]=10, Row4[3]=5, Row5[5]=8, Row5[1]=2, Row4[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [39,33]
  • [23,16,17]
  • [12,11,5,12]
  • [2,10,1,4,8]
Base
  • 2
  • 10
  • 1
  • 4
  • 8
TopValue
72
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":1,"v":33}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [68, _] → [_, _, 28] → [14, 19, 16, 12] → [_, _, 10, _, _]

Show answer

Answer: Row2[2]=63, Row1[1]=131, Row3[1]=33, Row5[4]=6, Row5[2]=9, Row5[1]=5, Row3[2]=35, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [68,63]
  • [33,35,28]
  • [14,19,16,12]
  • [5,9,10,6,6]
Base
  • 5
  • 9
  • 10
  • 6
  • 6
TopValue
131
HiddenCells
  • {"r":1,"c":1,"v":63}
  • {"r":0,"c":0,"v":131}
  • {"r":2,"c":0,"v":33}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":1,"v":35}
  • {"r":4,"c":4,"v":6}