medium Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [25, 28] → [_, _, 15] → [_, 8, _, 10]

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Answer: Row3[1]=12, Row3[2]=13, Row4[1]=4, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [25,28]
  • [12,13,15]
  • [4,8,5,10]
Base
  • 4
  • 8
  • 5
  • 10
TopValue
53
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"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): [_] → [_, _] → [19, 19, 12] → [_, 9, 10, 2]

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Answer: Row2[1]=38, Row4[1]=10, Row1[1]=69, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [38,31]
  • [19,19,12]
  • [10,9,10,2]
Base
  • 10
  • 9
  • 10
  • 2
TopValue
69
HiddenCells
  • {"r":1,"c":0,"v":38}
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":69}
  • {"r":1,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [22, _] → [_, _, 16] → [_, 3, 7, 9]

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Answer: Row3[2]=10, Row2[2]=26, Row4[1]=9, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [22,26]
  • [12,10,16]
  • [9,3,7,9]
Base
  • 9
  • 3
  • 7
  • 9
TopValue
48
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [21, _] → [11, _, _] → [_, 5, 5, 4]

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Answer: Row2[2]=19, Row4[1]=6, Row3[2]=10, Row3[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [21,19]
  • [11,10,9]
  • [6,5,5,4]
Base
  • 6
  • 5
  • 5
  • 4
TopValue
40
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":2,"v":9}