medium Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [16, _] → [11, 5, 10] → [_, _, _, 9]

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Answer: Row4[1]=7, Row2[2]=15, Row4[2]=4, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [16,15]
  • [11,5,10]
  • [7,4,1,9]
Base
  • 7
  • 4
  • 1
  • 9
TopValue
31
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":1,"v":15}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [24, _] → [15, _, _] → [7, 8, 1, _]

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Answer: Row4[4]=7, Row3[3]=8, Row2[2]=17, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [24,17]
  • [15,9,8]
  • [7,8,1,7]
Base
  • 7
  • 8
  • 1
  • 7
TopValue
41
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, _] → [_, 15, 8] → [8, 9, 6, _]

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Answer: Row2[2]=23, Row4[4]=2, Row2[1]=32, Row3[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [32,23]
  • [17,15,8]
  • [8,9,6,2]
Base
  • 8
  • 9
  • 6
  • 2
TopValue
55
HiddenCells
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":3,"v":2}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, 29] → [_, 16, 13] → [_, 9, 7, _]

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Answer: Row2[1]=33, Row4[4]=6, Row3[1]=17, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [33,29]
  • [17,16,13]
  • [8,9,7,6]
Base
  • 8
  • 9
  • 7
  • 6
TopValue
62
HiddenCells
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":8}