hard Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, 51] → [_, _, 23] → [_, 13, 15, _] → [2, 4, _, _, _]

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Answer: Row4[1]=6, Row1[1]=98, Row3[2]=28, Row5[5]=2, Row5[4]=6, Row4[4]=8, Row3[1]=19, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [47,51]
  • [19,28,23]
  • [6,13,15,8]
  • [2,4,9,6,2]
Base
  • 2
  • 4
  • 9
  • 6
  • 2
TopValue
98
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":98}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [66, _] → [35, _, 31] → [_, 16, _, 16] → [_, 9, 7, _, _]

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Answer: Row4[3]=15, Row2[2]=62, Row5[1]=10, Row5[5]=8, Row1[1]=128, Row4[1]=19, Row3[2]=31, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [66,62]
  • [35,31,31]
  • [19,16,15,16]
  • [10,9,7,8,8]
Base
  • 10
  • 9
  • 7
  • 8
  • 8
TopValue
128
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":1,"c":1,"v":62}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":128}
  • {"r":3,"c":0,"v":19}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [76] → [38, 38] → [20, _, _] → [_, 9, _, _] → [_, _, _, 2, 9]

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Answer: Row4[1]=11, Row3[2]=18, Row4[3]=9, Row5[3]=7, Row5[2]=2, Row5[1]=9, Row4[4]=11, Row3[3]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [38,38]
  • [20,18,20]
  • [11,9,9,11]
  • [9,2,7,2,9]
Base
  • 9
  • 2
  • 7
  • 2
  • 9
TopValue
76
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, _] → [22, 15, 12] → [_, _, 4, _] → [2, _, _, 2, _]

Show answer

Answer: Row5[5]=6, Row5[3]=2, Row4[1]=11, Row4[2]=11, Row5[2]=9, Row2[2]=27, Row2[1]=37, Row4[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [37,27]
  • [22,15,12]
  • [11,11,4,8]
  • [2,9,2,2,6]
Base
  • 2
  • 9
  • 2
  • 2
  • 6
TopValue
64
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":27}
  • {"r":1,"c":0,"v":37}
  • {"r":3,"c":3,"v":8}