hard Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [113] → [51, 62] → [20, _, _] → [_, _, 19, _] → [_, 3, _, _, 2]

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Answer: Row3[3]=31, Row5[1]=5, Row5[3]=9, Row4[1]=8, Row4[2]=12, Row3[2]=31, Row4[4]=12, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [51,62]
  • [20,31,31]
  • [8,12,19,12]
  • [5,3,9,10,2]
Base
  • 5
  • 3
  • 9
  • 10
  • 2
TopValue
113
HiddenCells
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":1,"v":31}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, 59] → [25, _, _] → [_, 12, _, 11] → [10, _, 9, _, _]

Show answer

Answer: Row5[2]=3, Row1[1]=114, Row5[4]=9, Row3[2]=30, Row4[1]=13, Row4[3]=18, Row3[3]=29, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [55,59]
  • [25,30,29]
  • [13,12,18,11]
  • [10,3,9,9,2]
Base
  • 10
  • 3
  • 9
  • 9
  • 2
TopValue
114
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":114}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":2,"v":18}
  • {"r":2,"c":2,"v":29}
  • {"r":4,"c":4,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [30, 18, 14] → [_, 13, 5, _] → [_, _, 4, _, _]

Show answer

Answer: Row4[4]=9, Row5[4]=1, Row2[2]=32, Row5[2]=9, Row1[1]=80, Row4[1]=17, Row5[5]=8, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [48,32]
  • [30,18,14]
  • [17,13,5,9]
  • [8,9,4,1,8]
Base
  • 8
  • 9
  • 4
  • 1
  • 8
TopValue
80
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":1,"v":32}
  • {"r":4,"c":1,"v":9}
  • {"r":0,"c":0,"v":80}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, 32] → [_, _, _] → [7, _, 9, _] → [4, _, 5, 4, _]

Show answer

Answer: Row4[4]=6, Row5[5]=2, Row4[2]=8, Row2[1]=32, Row3[1]=15, Row5[2]=3, Row3[3]=15, Row3[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [32,32]
  • [15,17,15]
  • [7,8,9,6]
  • [4,3,5,4,2]
Base
  • 4
  • 3
  • 5
  • 4
  • 2
TopValue
64
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":17}