hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, 23] → [_, 11, 12] → [_, _, 5, _] → [_, 5, 1, _, _]

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Answer: Row1[1]=55, Row4[1]=15, Row3[1]=21, Row4[2]=6, Row5[4]=4, Row5[5]=3, Row5[1]=10, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [32,23]
  • [21,11,12]
  • [15,6,5,7]
  • [10,5,1,4,3]
Base
  • 10
  • 5
  • 1
  • 4
  • 3
TopValue
55
HiddenCells
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":0,"v":10}
  • {"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): [99] → [44, _] → [_, 26, _] → [6, 12, _, _] → [1, _, _, 7, _]

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Answer: Row5[3]=7, Row5[2]=5, Row4[3]=14, Row5[5]=8, Row2[2]=55, Row4[4]=15, Row3[1]=18, Row3[3]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [44,55]
  • [18,26,29]
  • [6,12,14,15]
  • [1,5,7,7,8]
Base
  • 1
  • 5
  • 7
  • 7
  • 8
TopValue
99
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":3,"v":15}
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":2,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, 52] → [29, 27, 25] → [_, 15, _, _] → [_, _, _, 4, _]

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Answer: Row5[5]=9, Row4[1]=14, Row4[4]=13, Row1[1]=108, Row5[3]=8, Row5[1]=7, Row5[2]=7, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [56,52]
  • [29,27,25]
  • [14,15,12,13]
  • [7,7,8,4,9]
Base
  • 7
  • 7
  • 8
  • 4
  • 9
TopValue
108
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":3,"v":13}
  • {"r":0,"c":0,"v":108}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 38] → [_, 21, _] → [_, 12, 9, _] → [_, _, 6, _, 5]

Show answer

Answer: Row3[1]=28, Row5[1]=10, Row4[1]=16, Row5[2]=6, Row1[1]=87, Row5[4]=3, Row4[4]=8, Row3[3]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [49,38]
  • [28,21,17]
  • [16,12,9,8]
  • [10,6,6,3,5]
Base
  • 10
  • 6
  • 6
  • 3
  • 5
TopValue
87
HiddenCells
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":2,"v":17}