medium 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): [48] → [_, 25] → [_, 10, _] → [9, 4, _, 9]

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Answer: Row4[3]=6, Row2[1]=23, Row3[1]=13, Row3[3]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [23,25]
  • [13,10,15]
  • [9,4,6,9]
Base
  • 9
  • 4
  • 6
  • 9
TopValue
48
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [_, 8, 8] → [5, 5, _, 5]

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Answer: Row1[1]=34, Row4[3]=3, Row3[1]=10, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [18,16]
  • [10,8,8]
  • [5,5,3,5]
Base
  • 5
  • 5
  • 3
  • 5
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [35, 32] → [18, 17, _] → [8, _, _, _]

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Answer: Row4[3]=7, Row3[3]=15, Row4[2]=10, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [35,32]
  • [18,17,15]
  • [8,10,7,8]
Base
  • 8
  • 10
  • 7
  • 8
TopValue
67
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [_, 27] → [_, _, 15] → [_, 6, 6, 9]

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Answer: Row3[1]=9, Row2[1]=21, Row4[1]=3, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [21,27]
  • [9,12,15]
  • [3,6,6,9]
Base
  • 3
  • 6
  • 6
  • 9
TopValue
48
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":1,"v":12}