hard Set 48 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [52, 53] → [_, 30, _] → [_, _, _, _] → [_, _, 10, 5, 3]

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Answer: Row4[1]=7, Row4[3]=15, Row5[2]=5, Row3[1]=22, Row5[1]=2, Row3[3]=23, Row4[4]=8, Row4[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [52,53]
  • [22,30,23]
  • [7,15,15,8]
  • [2,5,10,5,3]
Base
  • 2
  • 5
  • 10
  • 5
  • 3
TopValue
105
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [48, _] → [_, _, _] → [16, _, 10, _] → [10, 6, _, _, 6]

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Answer: Row2[2]=42, Row4[2]=11, Row5[4]=5, Row4[4]=11, Row3[1]=27, Row3[3]=21, Row3[2]=21, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [48,42]
  • [27,21,21]
  • [16,11,10,11]
  • [10,6,5,5,6]
Base
  • 10
  • 6
  • 5
  • 5
  • 6
TopValue
90
HiddenCells
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":0,"v":27}
  • {"r":2,"c":2,"v":21}
  • {"r":2,"c":1,"v":21}
  • {"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): [96] → [_, _] → [16, _, 32] → [_, 10, 14, _] → [_, _, _, 8, 10]

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Answer: Row5[3]=6, Row2[2]=56, Row3[2]=24, Row4[4]=18, Row5[1]=2, Row4[1]=6, Row5[2]=4, Row2[1]=40

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [40,56]
  • [16,24,32]
  • [6,10,14,18]
  • [2,4,6,8,10]
Base
  • 2
  • 4
  • 6
  • 8
  • 10
TopValue
96
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":1,"v":56}
  • {"r":2,"c":1,"v":24}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [_, 50] → [29, _, 22] → [14, _, _, 9] → [_, _, _, 4, _]

Show answer

Answer: Row5[2]=6, Row5[5]=5, Row4[3]=13, Row4[2]=15, Row5[1]=8, Row5[3]=9, Row3[2]=28, Row2[1]=57

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [57,50]
  • [29,28,22]
  • [14,15,13,9]
  • [8,6,9,4,5]
Base
  • 8
  • 6
  • 9
  • 4
  • 5
TopValue
107
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":1,"v":28}
  • {"r":1,"c":0,"v":57}