hard Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [59, _] → [27, _, 30] → [_, _, _, _] → [_, _, 8, 8, 6]

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Answer: Row4[3]=16, Row3[2]=32, Row4[1]=11, Row5[1]=3, Row5[2]=8, Row4[4]=14, Row4[2]=16, Row2[2]=62

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [59,62]
  • [27,32,30]
  • [11,16,16,14]
  • [3,8,8,8,6]
Base
  • 3
  • 8
  • 8
  • 8
  • 6
TopValue
121
HiddenCells
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":1,"v":32}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":1,"v":62}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [19, 16, 21] → [13, 6, _, _] → [9, 4, _, _, _]

Show answer

Answer: Row2[1]=35, Row5[3]=2, Row5[4]=8, Row4[4]=11, Row4[3]=10, Row2[2]=37, Row1[1]=72, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [35,37]
  • [19,16,21]
  • [13,6,10,11]
  • [9,4,2,8,3]
Base
  • 9
  • 4
  • 2
  • 8
  • 3
TopValue
72
HiddenCells
  • {"r":1,"c":0,"v":35}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":37}
  • {"r":0,"c":0,"v":72}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [125] → [55, 70] → [_, 32, _] → [_, _, _, _] → [7, _, 10, _, 10]

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Answer: Row4[3]=19, Row4[4]=19, Row3[3]=38, Row4[1]=10, Row3[1]=23, Row5[4]=9, Row5[2]=3, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [55,70]
  • [23,32,38]
  • [10,13,19,19]
  • [7,3,10,9,10]
Base
  • 7
  • 3
  • 10
  • 9
  • 10
TopValue
125
HiddenCells
  • {"r":3,"c":2,"v":19}
  • {"r":3,"c":3,"v":19}
  • {"r":2,"c":2,"v":38}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [76, _] → [_, 40, 39] → [_, _, 20, _] → [6, 10, _, _, 9]

Show answer

Answer: Row5[4]=10, Row4[2]=20, Row3[1]=36, Row4[1]=16, Row4[4]=19, Row5[3]=10, Row1[1]=155, Row2[2]=79

SubType
number-pyramid
Difficulty
hard
Levels
  • [155]
  • [76,79]
  • [36,40,39]
  • [16,20,20,19]
  • [6,10,10,10,9]
Base
  • 6
  • 10
  • 10
  • 10
  • 9
TopValue
155
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":1,"v":20}
  • {"r":2,"c":0,"v":36}
  • {"r":3,"c":0,"v":16}
  • {"r":3,"c":3,"v":19}
  • {"r":4,"c":2,"v":10}
  • {"r":0,"c":0,"v":155}
  • {"r":1,"c":1,"v":79}