hard Set 66 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [_, _] → [_, 16, _] → [17, _, 7, _] → [10, 7, _, 5, _]

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Answer: Row4[2]=9, Row3[1]=26, Row2[2]=30, Row3[3]=14, Row5[3]=2, Row2[1]=42, Row5[5]=2, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [42,30]
  • [26,16,14]
  • [17,9,7,7]
  • [10,7,2,5,2]
Base
  • 10
  • 7
  • 2
  • 5
  • 2
TopValue
72
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":1,"v":30}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":0,"v":42}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [50, _] → [_, 26, 29] → [_, _, _, _] → [5, _, _, 6, 10]

Show answer

Answer: Row4[1]=11, Row3[1]=24, Row5[3]=7, Row2[2]=55, Row4[2]=13, Row4[3]=13, Row4[4]=16, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [50,55]
  • [24,26,29]
  • [11,13,13,16]
  • [5,6,7,6,10]
Base
  • 5
  • 6
  • 7
  • 6
  • 10
TopValue
105
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, _] → [18, 25, _] → [8, 10, _, 11] → [_, 5, _, _, _]

Show answer

Answer: Row4[3]=15, Row5[5]=1, Row5[1]=3, Row3[3]=26, Row2[2]=51, Row5[3]=5, Row1[1]=94, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [43,51]
  • [18,25,26]
  • [8,10,15,11]
  • [3,5,5,10,1]
Base
  • 3
  • 5
  • 5
  • 10
  • 1
TopValue
94
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":2,"v":26}
  • {"r":1,"c":1,"v":51}
  • {"r":4,"c":2,"v":5}
  • {"r":0,"c":0,"v":94}
  • {"r":4,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [64, _] → [33, _, _] → [_, 17, _, 6] → [8, _, 9, _, 1]

Show answer

Answer: Row4[3]=14, Row3[3]=20, Row3[2]=31, Row1[1]=115, Row2[2]=51, Row4[1]=16, Row5[2]=8, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [64,51]
  • [33,31,20]
  • [16,17,14,6]
  • [8,8,9,5,1]
Base
  • 8
  • 8
  • 9
  • 5
  • 1
TopValue
115
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":2,"v":20}
  • {"r":2,"c":1,"v":31}
  • {"r":0,"c":0,"v":115}
  • {"r":1,"c":1,"v":51}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":5}