hard Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, _] → [_, 22, 23] → [4, _, _, 10] → [2, _, _, 6, _]

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Answer: Row4[3]=13, Row5[5]=4, Row2[2]=45, Row5[2]=2, Row5[3]=7, Row4[2]=9, Row1[1]=80, Row3[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [35,45]
  • [13,22,23]
  • [4,9,13,10]
  • [2,2,7,6,4]
Base
  • 2
  • 2
  • 7
  • 6
  • 4
TopValue
80
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [76] → [_, 39] → [19, _, _] → [_, _, _, _] → [7, 3, 6, 3, _]

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Answer: Row4[2]=9, Row4[1]=10, Row4[4]=12, Row5[5]=9, Row3[2]=18, Row4[3]=9, Row3[3]=21, Row2[1]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [37,39]
  • [19,18,21]
  • [10,9,9,12]
  • [7,3,6,3,9]
Base
  • 7
  • 3
  • 6
  • 3
  • 9
TopValue
76
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":0,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, _, _] → [_, 14, 12, 13] → [_, _, 6, 6, 7]

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Answer: Row3[3]=25, Row3[2]=26, Row5[1]=9, Row2[1]=57, Row1[1]=108, Row5[2]=8, Row4[1]=17, Row2[2]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [57,51]
  • [31,26,25]
  • [17,14,12,13]
  • [9,8,6,6,7]
Base
  • 9
  • 8
  • 6
  • 6
  • 7
TopValue
108
HiddenCells
  • {"r":2,"c":2,"v":25}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":0,"v":57}
  • {"r":0,"c":0,"v":108}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":1,"v":51}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [46, _] → [_, _, _] → [7, 14, 11, _] → [2, _, _, 2, _]

Show answer

Answer: Row5[2]=5, Row3[2]=25, Row5[5]=3, Row2[2]=41, Row5[3]=9, Row3[3]=16, Row4[4]=5, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [46,41]
  • [21,25,16]
  • [7,14,11,5]
  • [2,5,9,2,3]
Base
  • 2
  • 5
  • 9
  • 2
  • 3
TopValue
87
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":1,"v":41}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":0,"v":21}