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): [_] → [28, 44] → [_, 15, _] → [_, _, 11, _] → [_, 1, _, 8, 10]

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Answer: Row4[1]=9, Row4[2]=4, Row5[3]=3, Row3[3]=29, Row1[1]=72, Row4[4]=18, Row3[1]=13, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [28,44]
  • [13,15,29]
  • [9,4,11,18]
  • [8,1,3,8,10]
Base
  • 8
  • 1
  • 3
  • 8
  • 10
TopValue
72
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":4}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":2,"v":29}
  • {"r":0,"c":0,"v":72}
  • {"r":3,"c":3,"v":18}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"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): [_] → [_, 41] → [35, _, _] → [19, _, _, 5] → [10, 9, _, 3, _]

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Answer: Row5[3]=7, Row5[5]=2, Row4[2]=16, Row1[1]=102, Row3[3]=15, Row3[2]=26, Row4[3]=10, Row2[1]=61

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [61,41]
  • [35,26,15]
  • [19,16,10,5]
  • [10,9,7,3,2]
Base
  • 10
  • 9
  • 7
  • 3
  • 2
TopValue
102
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":1,"v":16}
  • {"r":0,"c":0,"v":102}
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":0,"v":61}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [_, 48] → [15, 19, _] → [_, 7, _, _] → [_, 5, _, 10, _]

Show answer

Answer: Row5[3]=2, Row4[1]=8, Row4[3]=12, Row4[4]=17, Row5[1]=3, Row2[1]=34, Row3[3]=29, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [34,48]
  • [15,19,29]
  • [8,7,12,17]
  • [3,5,2,10,7]
Base
  • 3
  • 5
  • 2
  • 10
  • 7
TopValue
82
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":2,"v":29}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, 25, 24] → [_, _, 10, _] → [_, 10, 5, _, 9]

Show answer

Answer: Row4[1]=16, Row4[4]=14, Row2[1]=56, Row2[2]=49, Row5[4]=5, Row4[2]=15, Row5[1]=6, Row1[1]=105

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [56,49]
  • [31,25,24]
  • [16,15,10,14]
  • [6,10,5,5,9]
Base
  • 6
  • 10
  • 5
  • 5
  • 9
TopValue
105
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":0,"v":56}
  • {"r":1,"c":1,"v":49}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":0,"v":6}
  • {"r":0,"c":0,"v":105}