hard Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, 46] → [18, _, 25] → [_, _, _, 13] → [8, _, 8, _, _]

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Answer: Row3[2]=21, Row4[1]=9, Row4[2]=9, Row5[4]=4, Row1[1]=85, Row5[2]=1, Row5[5]=9, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [39,46]
  • [18,21,25]
  • [9,9,12,13]
  • [8,1,8,4,9]
Base
  • 8
  • 1
  • 8
  • 4
  • 9
TopValue
85
HiddenCells
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":3,"v":4}
  • {"r":0,"c":0,"v":85}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":4,"v":9}
  • {"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): [105] → [_, 58] → [_, 28, 30] → [_, _, _, 15] → [_, _, _, 6, 9]

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Answer: Row5[2]=4, Row4[2]=13, Row4[1]=6, Row5[1]=2, Row2[1]=47, Row5[3]=9, Row4[3]=15, Row3[1]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [47,58]
  • [19,28,30]
  • [6,13,15,15]
  • [2,4,9,6,9]
Base
  • 2
  • 4
  • 9
  • 6
  • 9
TopValue
105
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, _] → [28, _, _] → [_, 11, 11, _] → [10, 7, _, _, 8]

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Answer: Row4[1]=17, Row4[4]=15, Row3[3]=26, Row2[2]=48, Row5[4]=7, Row5[3]=4, Row3[2]=22, Row2[1]=50

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [50,48]
  • [28,22,26]
  • [17,11,11,15]
  • [10,7,4,7,8]
Base
  • 10
  • 7
  • 4
  • 7
  • 8
TopValue
98
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":3,"v":15}
  • {"r":2,"c":2,"v":26}
  • {"r":1,"c":1,"v":48}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":0,"v":50}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [43, 30] → [23, 20, _] → [10, _, 7, _] → [_, _, _, _, _]

Show answer

Answer: Row5[3]=5, Row5[4]=2, Row3[3]=10, Row5[5]=1, Row5[2]=8, Row5[1]=2, Row4[4]=3, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [43,30]
  • [23,20,10]
  • [10,13,7,3]
  • [2,8,5,2,1]
Base
  • 2
  • 8
  • 5
  • 2
  • 1
TopValue
73
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":2,"v":10}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":13}