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): [115] → [_, _] → [23, _, 32] → [10, 13, 17, _] → [_, _, 9, _, _]

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Answer: Row5[1]=6, Row5[4]=8, Row5[5]=7, Row3[2]=30, Row2[1]=53, Row5[2]=4, Row2[2]=62, Row4[4]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [53,62]
  • [23,30,32]
  • [10,13,17,15]
  • [6,4,9,8,7]
Base
  • 6
  • 4
  • 9
  • 8
  • 7
TopValue
115
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":1,"v":30}
  • {"r":1,"c":0,"v":53}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":1,"v":62}
  • {"r":3,"c":3,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [25, 34] → [12, _, _] → [7, _, _, _] → [_, 4, _, 7, _]

Show answer

Answer: Row5[5]=6, Row5[3]=1, Row4[3]=8, Row4[4]=13, Row4[2]=5, Row3[2]=13, Row5[1]=3, Row3[3]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [25,34]
  • [12,13,21]
  • [7,5,8,13]
  • [3,4,1,7,6]
Base
  • 3
  • 4
  • 1
  • 7
  • 6
TopValue
59
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":2,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [23, 23, _] → [_, 11, _, _] → [3, _, 2, 10, _]

Show answer

Answer: Row4[1]=12, Row1[1]=92, Row4[4]=11, Row2[2]=46, Row5[2]=9, Row3[3]=23, Row5[5]=1, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [46,46]
  • [23,23,23]
  • [12,11,12,11]
  • [3,9,2,10,1]
Base
  • 3
  • 9
  • 2
  • 10
  • 1
TopValue
92
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":0,"c":0,"v":92}
  • {"r":3,"c":3,"v":11}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":4,"v":1}
  • {"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): [74] → [_, 36] → [_, 19, _] → [9, _, 9, 8] → [_, _, _, _, 4]

Show answer

Answer: Row5[1]=4, Row3[3]=17, Row5[4]=4, Row5[3]=5, Row5[2]=5, Row3[1]=19, Row4[2]=10, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [38,36]
  • [19,19,17]
  • [9,10,9,8]
  • [4,5,5,4,4]
Base
  • 4
  • 5
  • 5
  • 4
  • 4
TopValue
74
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":38}