hard Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, _] → [27, _, 8] → [_, 14, _, _] → [_, 10, 4, _, 2]

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Answer: Row2[1]=46, Row3[2]=19, Row4[3]=5, Row4[4]=3, Row5[1]=3, Row5[4]=1, Row4[1]=13, Row2[2]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [46,27]
  • [27,19,8]
  • [13,14,5,3]
  • [3,10,4,1,2]
Base
  • 3
  • 10
  • 4
  • 1
  • 2
TopValue
73
HiddenCells
  • {"r":1,"c":0,"v":46}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":3,"v":3}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, 40] → [21, _, 24] → [14, _, _, _] → [_, _, _, 8, 7]

Show answer

Answer: Row2[1]=37, Row5[2]=6, Row3[2]=16, Row4[2]=7, Row5[1]=8, Row4[3]=9, Row5[3]=1, Row4[4]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [37,40]
  • [21,16,24]
  • [14,7,9,15]
  • [8,6,1,8,7]
Base
  • 8
  • 6
  • 1
  • 8
  • 7
TopValue
77
HiddenCells
  • {"r":1,"c":0,"v":37}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":2,"v":1}
  • {"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): [_] → [_, _] → [35, 33, _] → [16, 19, 14, _] → [7, _, 10, _, _]

Show answer

Answer: Row1[1]=122, Row2[1]=68, Row4[4]=7, Row5[5]=3, Row3[3]=21, Row2[2]=54, Row5[4]=4, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [68,54]
  • [35,33,21]
  • [16,19,14,7]
  • [7,9,10,4,3]
Base
  • 7
  • 9
  • 10
  • 4
  • 3
TopValue
122
HiddenCells
  • {"r":0,"c":0,"v":122}
  • {"r":1,"c":0,"v":68}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":1,"v":54}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [137] → [_, 65] → [38, _, _] → [_, _, 15, _] → [9, 10, _, 6, _]

Show answer

Answer: Row4[4]=16, Row4[1]=19, Row3[2]=34, Row4[2]=19, Row5[5]=10, Row3[3]=31, Row5[3]=9, Row2[1]=72

SubType
number-pyramid
Difficulty
hard
Levels
  • [137]
  • [72,65]
  • [38,34,31]
  • [19,19,15,16]
  • [9,10,9,6,10]
Base
  • 9
  • 10
  • 9
  • 6
  • 10
TopValue
137
HiddenCells
  • {"r":3,"c":3,"v":16}
  • {"r":3,"c":0,"v":19}
  • {"r":2,"c":1,"v":34}
  • {"r":3,"c":1,"v":19}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":72}