hard Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, 41] → [_, _, 20] → [_, _, 10, 10] → [_, 2, _, 1, _]

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Answer: Row5[5]=9, Row3[1]=19, Row5[1]=6, Row4[1]=8, Row5[3]=9, Row1[1]=81, Row4[2]=11, Row3[2]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [40,41]
  • [19,21,20]
  • [8,11,10,10]
  • [6,2,9,1,9]
Base
  • 6
  • 2
  • 9
  • 1
  • 9
TopValue
81
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":2,"v":9}
  • {"r":0,"c":0,"v":81}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, _, 36] → [9, _, _, 19] → [8, 1, _, 10, _]

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Answer: Row4[3]=17, Row5[3]=7, Row2[1]=42, Row3[2]=25, Row4[2]=8, Row5[5]=9, Row2[2]=61, Row1[1]=103

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [42,61]
  • [17,25,36]
  • [9,8,17,19]
  • [8,1,7,10,9]
Base
  • 8
  • 1
  • 7
  • 10
  • 9
TopValue
103
HiddenCells
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":0,"v":42}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":1,"v":61}
  • {"r":0,"c":0,"v":103}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [33, _] → [_, 15, 15] → [_, _, 9, _] → [10, _, _, _, 1]

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Answer: Row5[3]=4, Row5[4]=5, Row4[4]=6, Row3[1]=18, Row4[1]=12, Row5[2]=2, Row4[2]=6, Row2[2]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [33,30]
  • [18,15,15]
  • [12,6,9,6]
  • [10,2,4,5,1]
Base
  • 10
  • 2
  • 4
  • 5
  • 1
TopValue
63
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [_, _, 27] → [_, _, 14, 13] → [_, 4, 10, _, 9]

Show answer

Answer: Row4[1]=13, Row5[4]=4, Row3[1]=27, Row1[1]=110, Row5[1]=9, Row3[2]=28, Row2[2]=55, Row4[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [55,55]
  • [27,28,27]
  • [13,14,14,13]
  • [9,4,10,4,9]
Base
  • 9
  • 4
  • 10
  • 4
  • 9
TopValue
110
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":0,"v":27}
  • {"r":0,"c":0,"v":110}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":28}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":1,"v":14}