hard Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [70, 64] → [_, 34, _] → [_, 17, 17, 13] → [_, _, _, _, 4]

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Answer: Row1[1]=134, Row3[3]=30, Row4[1]=19, Row3[1]=36, Row5[3]=8, Row5[1]=10, Row5[2]=9, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [134]
  • [70,64]
  • [36,34,30]
  • [19,17,17,13]
  • [10,9,8,9,4]
Base
  • 10
  • 9
  • 8
  • 9
  • 4
TopValue
134
HiddenCells
  • {"r":0,"c":0,"v":134}
  • {"r":2,"c":2,"v":30}
  • {"r":3,"c":0,"v":19}
  • {"r":2,"c":0,"v":36}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, 58] → [20, _, 30] → [8, _, _, _] → [2, _, _, _, 4]

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Answer: Row1[1]=106, Row5[4]=10, Row3[2]=28, Row4[4]=14, Row5[3]=6, Row4[2]=12, Row4[3]=16, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [48,58]
  • [20,28,30]
  • [8,12,16,14]
  • [2,6,6,10,4]
Base
  • 2
  • 6
  • 6
  • 10
  • 4
TopValue
106
HiddenCells
  • {"r":0,"c":0,"v":106}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":1,"v":28}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":2,"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): [86] → [53, _] → [_, 23, _] → [14, 16, _, _] → [_, 10, 6, _, _]

Show answer

Answer: Row4[4]=3, Row5[4]=1, Row3[1]=30, Row5[1]=4, Row5[5]=2, Row3[3]=10, Row4[3]=7, Row2[2]=33

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [53,33]
  • [30,23,10]
  • [14,16,7,3]
  • [4,10,6,1,2]
Base
  • 4
  • 10
  • 6
  • 1
  • 2
TopValue
86
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [32, _] → [_, 18, _] → [7, 7, 11, 16] → [_, _, _, _, _]

Show answer

Answer: Row3[3]=27, Row5[2]=4, Row5[5]=8, Row5[3]=3, Row2[2]=45, Row5[4]=8, Row5[1]=3, Row3[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [32,45]
  • [14,18,27]
  • [7,7,11,16]
  • [3,4,3,8,8]
Base
  • 3
  • 4
  • 3
  • 8
  • 8
TopValue
77
HiddenCells
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":14}