hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [28, 29] → [_, 15, _] → [5, _, 7, 7] → [_, _, _, _, _]

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Answer: Row4[2]=8, Row5[5]=4, Row5[4]=3, Row3[1]=13, Row5[3]=4, Row3[3]=14, Row5[2]=4, Row5[1]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [28,29]
  • [13,15,14]
  • [5,8,7,7]
  • [1,4,4,3,4]
Base
  • 1
  • 4
  • 4
  • 3
  • 4
TopValue
57
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [21, 23] → [_, 9, _] → [_, 4, _, _] → [_, 2, _, 3, _]

Show answer

Answer: Row3[3]=14, Row5[1]=6, Row5[5]=6, Row4[3]=5, Row5[3]=2, Row3[1]=12, Row4[1]=8, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [21,23]
  • [12,9,14]
  • [8,4,5,9]
  • [6,2,2,3,6]
Base
  • 6
  • 2
  • 2
  • 3
  • 6
TopValue
44
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [122] → [_, _] → [32, _, 30] → [_, 15, 15, 15] → [_, _, 6, _, _]

Show answer

Answer: Row2[2]=60, Row2[1]=62, Row4[1]=17, Row5[5]=6, Row3[2]=30, Row5[4]=9, Row5[1]=8, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [62,60]
  • [32,30,30]
  • [17,15,15,15]
  • [8,9,6,9,6]
Base
  • 8
  • 9
  • 6
  • 9
  • 6
TopValue
122
HiddenCells
  • {"r":1,"c":1,"v":60}
  • {"r":1,"c":0,"v":62}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":0,"v":8}
  • {"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): [_] → [75, _] → [_, _, _] → [19, 20, _, 7] → [9, 10, _, _, 1]

Show answer

Answer: Row2[2]=59, Row5[4]=6, Row1[1]=134, Row3[2]=36, Row4[3]=16, Row3[1]=39, Row3[3]=23, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [134]
  • [75,59]
  • [39,36,23]
  • [19,20,16,7]
  • [9,10,10,6,1]
Base
  • 9
  • 10
  • 10
  • 6
  • 1
TopValue
134
HiddenCells
  • {"r":1,"c":1,"v":59}
  • {"r":4,"c":3,"v":6}
  • {"r":0,"c":0,"v":134}
  • {"r":2,"c":1,"v":36}
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":0,"v":39}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":2,"v":10}