medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [14, 19] → [_, 7, _] → [5, _, 5, _]

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Answer: Row4[2]=2, Row4[4]=7, Row3[1]=7, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [14,19]
  • [7,7,12]
  • [5,2,5,7]
Base
  • 5
  • 2
  • 5
  • 7
TopValue
33
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [25, 30] → [_, _, _] → [9, _, 8, 10]

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Answer: Row4[2]=4, Row3[3]=18, Row3[1]=13, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [25,30]
  • [13,12,18]
  • [9,4,8,10]
Base
  • 9
  • 4
  • 8
  • 10
TopValue
55
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":2,"v":18}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 10] → [11, _, _] → [_, 3, 1, 5]

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Answer: Row3[3]=6, Row3[2]=4, Row4[1]=8, Row2[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [15,10]
  • [11,4,6]
  • [8,3,1,5]
Base
  • 8
  • 3
  • 1
  • 5
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":1,"v":4}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 7, 12] → [10, 2, 5, 7]

Show answer

Answer: Row1[1]=38, Row2[1]=19, Row2[2]=19, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [19,19]
  • [12,7,12]
  • [10,2,5,7]
Base
  • 10
  • 2
  • 5
  • 7
TopValue
38
HiddenCells
  • {"r":0,"c":0,"v":38}
  • {"r":1,"c":0,"v":19}
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":0,"v":12}