hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [22, _] → [_, _, _] → [7, _, 5, 8] → [_, _, 2, 3, _]

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Answer: Row3[1]=12, Row3[2]=10, Row5[2]=3, Row2[2]=23, Row5[1]=4, Row4[2]=5, Row3[3]=13, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [22,23]
  • [12,10,13]
  • [7,5,5,8]
  • [4,3,2,3,5]
Base
  • 4
  • 3
  • 2
  • 3
  • 5
TopValue
45
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":1,"v":10}
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":1,"v":23}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":4,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [9, _, 33] → [3, 6, _, _] → [_, _, 5, 10, _]

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Answer: Row5[2]=1, Row5[5]=8, Row3[2]=21, Row1[1]=84, Row4[4]=18, Row2[1]=30, Row4[3]=15, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [30,54]
  • [9,21,33]
  • [3,6,15,18]
  • [2,1,5,10,8]
Base
  • 2
  • 1
  • 5
  • 10
  • 8
TopValue
84
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":1,"v":21}
  • {"r":0,"c":0,"v":84}
  • {"r":3,"c":3,"v":18}
  • {"r":1,"c":0,"v":30}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [_, _] → [13, _, _] → [7, _, 11, 14] → [2, 5, _, _, _]

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Answer: Row2[2]=42, Row2[1]=30, Row3[2]=17, Row5[3]=1, Row4[2]=6, Row3[3]=25, Row5[5]=4, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [30,42]
  • [13,17,25]
  • [7,6,11,14]
  • [2,5,1,10,4]
Base
  • 2
  • 5
  • 1
  • 10
  • 4
TopValue
72
HiddenCells
  • {"r":1,"c":1,"v":42}
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":4,"v":4}
  • {"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): [117] → [61, _] → [_, _, _] → [15, 17, _, 15] → [_, _, _, 5, 10]

Show answer

Answer: Row5[3]=7, Row4[3]=12, Row3[1]=32, Row5[1]=5, Row3[2]=29, Row3[3]=27, Row2[2]=56, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [61,56]
  • [32,29,27]
  • [15,17,12,15]
  • [5,10,7,5,10]
Base
  • 5
  • 10
  • 7
  • 5
  • 10
TopValue
117
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":0,"v":32}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":1,"v":29}
  • {"r":2,"c":2,"v":27}
  • {"r":1,"c":1,"v":56}
  • {"r":4,"c":1,"v":10}