hard Set 33 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 71] → [_, 34, 37] → [_, _, 19, 18] → [8, _, 9, _, _]

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Answer: Row4[2]=15, Row2[1]=63, Row5[5]=8, Row1[1]=134, Row3[1]=29, Row5[4]=10, Row5[2]=6, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [134]
  • [63,71]
  • [29,34,37]
  • [14,15,19,18]
  • [8,6,9,10,8]
Base
  • 8
  • 6
  • 9
  • 10
  • 8
TopValue
134
HiddenCells
  • {"r":3,"c":1,"v":15}
  • {"r":1,"c":0,"v":63}
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":134}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [31, _] → [_, _, _] → [7, _, 10, _] → [2, _, _, 8, 5]

Show answer

Answer: Row3[2]=17, Row3[1]=14, Row5[3]=2, Row5[2]=5, Row4[4]=13, Row2[2]=40, Row4[2]=7, Row3[3]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [31,40]
  • [14,17,23]
  • [7,7,10,13]
  • [2,5,2,8,5]
Base
  • 2
  • 5
  • 2
  • 8
  • 5
TopValue
71
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":1,"v":7}
  • {"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): [90] → [_, _] → [28, _, 16] → [14, _, 9, _] → [6, 8, _, _, _]

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Answer: Row4[2]=14, Row3[2]=23, Row5[4]=3, Row5[3]=6, Row2[2]=39, Row2[1]=51, Row4[4]=7, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [51,39]
  • [28,23,16]
  • [14,14,9,7]
  • [6,8,6,3,4]
Base
  • 6
  • 8
  • 6
  • 3
  • 4
TopValue
90
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":1,"v":39}
  • {"r":1,"c":0,"v":51}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [49, _] → [_, 21, _] → [_, _, _, 8] → [_, _, 3, 7, 1]

Show answer

Answer: Row5[2]=8, Row3[3]=18, Row4[1]=17, Row5[1]=9, Row4[2]=11, Row4[3]=10, Row2[2]=39, Row3[1]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [49,39]
  • [28,21,18]
  • [17,11,10,8]
  • [9,8,3,7,1]
Base
  • 9
  • 8
  • 3
  • 7
  • 1
TopValue
88
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":39}
  • {"r":2,"c":0,"v":28}