hard Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [_, 56] → [_, _, 29] → [_, _, _, 15] → [2, _, _, 8, 7]

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Answer: Row3[2]=27, Row4[3]=14, Row5[3]=6, Row2[1]=49, Row5[2]=7, Row3[1]=22, Row4[1]=9, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [49,56]
  • [22,27,29]
  • [9,13,14,15]
  • [2,7,6,8,7]
Base
  • 2
  • 7
  • 6
  • 8
  • 7
TopValue
105
HiddenCells
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, 35] → [_, 22, 13] → [_, _, 9, _] → [2, 7, _, _, _]

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Answer: Row4[4]=4, Row5[4]=3, Row4[2]=13, Row4[1]=9, Row5[3]=6, Row5[5]=1, Row1[1]=79, Row3[1]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [44,35]
  • [22,22,13]
  • [9,13,9,4]
  • [2,7,6,3,1]
Base
  • 2
  • 7
  • 6
  • 3
  • 1
TopValue
79
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":4,"v":1}
  • {"r":0,"c":0,"v":79}
  • {"r":2,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, 60] → [_, 30, 30] → [_, _, _, 14] → [_, _, 10, 6, _]

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Answer: Row5[2]=4, Row5[5]=8, Row1[1]=115, Row4[2]=14, Row5[1]=7, Row3[1]=25, Row4[3]=16, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [55,60]
  • [25,30,30]
  • [11,14,16,14]
  • [7,4,10,6,8]
Base
  • 7
  • 4
  • 10
  • 6
  • 8
TopValue
115
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":115}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [63, _] → [30, 33, _] → [_, _, _, _] → [_, 10, 9, 5, _]

Show answer

Answer: Row2[2]=56, Row4[3]=14, Row5[1]=1, Row4[1]=11, Row3[3]=23, Row4[2]=19, Row5[5]=4, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [63,56]
  • [30,33,23]
  • [11,19,14,9]
  • [1,10,9,5,4]
Base
  • 1
  • 10
  • 9
  • 5
  • 4
TopValue
119
HiddenCells
  • {"r":1,"c":1,"v":56}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":1,"v":19}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":3,"v":9}