medium Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [4, 4, 4] → [3, _, _, 1]

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Answer: Row4[2]=1, Row2[1]=8, Row4[3]=3, Row1[1]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [16]
  • [8,8]
  • [4,4,4]
  • [3,1,3,1]
Base
  • 3
  • 1
  • 3
  • 1
TopValue
16
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":8}
  • {"r":3,"c":2,"v":3}
  • {"r":0,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [27, _] → [_, 12, 10] → [8, 7, _, _]

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Answer: Row2[2]=22, Row3[1]=15, Row4[4]=5, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [27,22]
  • [15,12,10]
  • [8,7,5,5]
Base
  • 8
  • 7
  • 5
  • 5
TopValue
49
HiddenCells
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":3,"v":5}
  • {"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): [_] → [_, 34] → [15, 17, 17] → [8, _, _, 7]

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Answer: Row1[1]=66, Row4[2]=7, Row4[3]=10, Row2[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [32,34]
  • [15,17,17]
  • [8,7,10,7]
Base
  • 8
  • 7
  • 10
  • 7
TopValue
66
HiddenCells
  • {"r":0,"c":0,"v":66}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [14, _] → [_, 7, 7] → [_, 2, 5, _]

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Answer: Row2[2]=14, Row4[4]=2, Row4[1]=5, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [14,14]
  • [7,7,7]
  • [5,2,5,2]
Base
  • 5
  • 2
  • 5
  • 2
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":7}