hard Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [42, 40] → [_, _, 19] → [10, 11, _, _] → [_, _, _, _, 4]

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Answer: Row5[4]=5, Row3[2]=21, Row5[2]=6, Row5[3]=5, Row4[3]=10, Row3[1]=21, Row4[4]=9, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [42,40]
  • [21,21,19]
  • [10,11,10,9]
  • [4,6,5,5,4]
Base
  • 4
  • 6
  • 5
  • 5
  • 4
TopValue
82
HiddenCells
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [36, _] → [21, 15, _] → [_, 8, _, 8] → [_, _, _, 2, _]

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Answer: Row3[3]=15, Row2[2]=30, Row5[2]=3, Row5[5]=6, Row5[1]=10, Row4[1]=13, Row4[3]=7, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [36,30]
  • [21,15,15]
  • [13,8,7,8]
  • [10,3,5,2,6]
Base
  • 10
  • 3
  • 5
  • 2
  • 6
TopValue
66
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":1,"v":30}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [134] → [69, _] → [34, 35, _] → [15, 19, _, _] → [_, _, _, _, 7]

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Answer: Row2[2]=65, Row5[4]=7, Row5[1]=5, Row4[3]=16, Row5[2]=10, Row3[3]=30, Row5[3]=9, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [134]
  • [69,65]
  • [34,35,30]
  • [15,19,16,14]
  • [5,10,9,7,7]
Base
  • 5
  • 10
  • 9
  • 7
  • 7
TopValue
134
HiddenCells
  • {"r":1,"c":1,"v":65}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":3,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [_, _] → [35, 27, _] → [17, 18, _, _] → [7, _, _, 1, _]

Show answer

Answer: Row5[3]=8, Row2[1]=62, Row4[4]=10, Row2[2]=46, Row5[5]=9, Row4[3]=9, Row5[2]=10, Row3[3]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [62,46]
  • [35,27,19]
  • [17,18,9,10]
  • [7,10,8,1,9]
Base
  • 7
  • 10
  • 8
  • 1
  • 9
TopValue
108
HiddenCells
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":62}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":2,"v":19}