medium Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [20, 18] → [_, 9, 9] → [_, 1, _, _]

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Answer: Row4[3]=8, Row3[1]=11, Row4[1]=10, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [11,9,9]
  • [10,1,8,1]
Base
  • 10
  • 1
  • 8
  • 1
TopValue
38
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, _] → [_, 9, 12] → [9, 1, 8, _]

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Answer: Row4[4]=4, Row3[1]=10, Row2[1]=19, Row2[2]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [19,21]
  • [10,9,12]
  • [9,1,8,4]
Base
  • 9
  • 1
  • 8
  • 4
TopValue
40
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":19}
  • {"r":1,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [6, _, 9] → [2, 4, _, 7]

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Answer: Row2[2]=15, Row3[2]=6, Row4[3]=2, Row1[1]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [12,15]
  • [6,6,9]
  • [2,4,2,7]
Base
  • 2
  • 4
  • 2
  • 7
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, 31] → [14, 14, 17] → [_, 5, _, _]

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Answer: Row4[1]=9, Row4[4]=8, Row2[1]=28, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [28,31]
  • [14,14,17]
  • [9,5,9,8]
Base
  • 9
  • 5
  • 9
  • 8
TopValue
59
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":2,"v":9}