hard Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, _, 13] → [_, 9, _, 9] → [_, 7, 2, _, 7]

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Answer: Row5[4]=2, Row4[1]=16, Row5[1]=9, Row3[2]=13, Row2[1]=38, Row1[1]=64, Row2[2]=26, Row4[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [38,26]
  • [25,13,13]
  • [16,9,4,9]
  • [9,7,2,2,7]
Base
  • 9
  • 7
  • 2
  • 2
  • 7
TopValue
64
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":0,"v":38}
  • {"r":0,"c":0,"v":64}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [46, _] → [_, _, _] → [_, 12, _, 13] → [3, 4, _, _, 6]

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Answer: Row2[2]=55, Row3[2]=27, Row4[1]=7, Row5[4]=7, Row3[1]=19, Row3[3]=28, Row5[3]=8, Row4[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [46,55]
  • [19,27,28]
  • [7,12,15,13]
  • [3,4,8,7,6]
Base
  • 3
  • 4
  • 8
  • 7
  • 6
TopValue
101
HiddenCells
  • {"r":1,"c":1,"v":55}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, 31] → [19, 13, _] → [_, _, _, 11] → [_, _, _, 6, 5]

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Answer: Row4[1]=13, Row5[2]=5, Row4[3]=7, Row3[3]=18, Row5[3]=1, Row4[2]=6, Row2[1]=32, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [32,31]
  • [19,13,18]
  • [13,6,7,11]
  • [8,5,1,6,5]
Base
  • 8
  • 5
  • 1
  • 6
  • 5
TopValue
63
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":0,"v":32}
  • {"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): [_] → [61, 46] → [34, _, _] → [_, _, _, 8] → [_, 9, 7, 4, _]

Show answer

Answer: Row5[1]=9, Row4[2]=16, Row4[1]=18, Row1[1]=107, Row5[5]=4, Row4[3]=11, Row3[3]=19, Row3[2]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [61,46]
  • [34,27,19]
  • [18,16,11,8]
  • [9,9,7,4,4]
Base
  • 9
  • 9
  • 7
  • 4
  • 4
TopValue
107
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":0,"v":18}
  • {"r":0,"c":0,"v":107}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":1,"v":27}