medium Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [15, 15, 14] → [9, _, 9, _]

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Answer: Row4[2]=6, Row4[4]=5, Row2[1]=30, Row1[1]=59

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [30,29]
  • [15,15,14]
  • [9,6,9,5]
Base
  • 9
  • 6
  • 9
  • 5
TopValue
59
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":30}
  • {"r":0,"c":0,"v":59}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, 26] → [9, _, 12] → [3, 6, _, _]

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Answer: Row3[2]=14, Row4[3]=8, Row2[1]=23, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [23,26]
  • [9,14,12]
  • [3,6,8,4]
Base
  • 3
  • 6
  • 8
  • 4
TopValue
49
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [28, _] → [_, 13, 11] → [7, 8, _, _]

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Answer: Row4[3]=5, Row3[1]=15, Row4[4]=6, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [28,24]
  • [15,13,11]
  • [7,8,5,6]
Base
  • 7
  • 8
  • 5
  • 6
TopValue
52
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 30] → [10, 11, 19] → [_, 1, _, _]

Show answer

Answer: Row4[1]=9, Row1[1]=51, Row4[3]=10, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [21,30]
  • [10,11,19]
  • [9,1,10,9]
Base
  • 9
  • 1
  • 10
  • 9
TopValue
51
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":0,"c":0,"v":51}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":3,"v":9}