medium Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 9] → [3, _, 6] → [1, _, _, 5]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [15]
  • [6,9]
  • [3,3,6]
  • [1,2,1,5]
Base
  • 1
  • 2
  • 1
  • 5
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [19, _] → [8, 11, _] → [_, _, 10, 2]

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Answer: Row2[2]=23, Row4[1]=7, Row3[3]=12, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [8,11,12]
  • [7,1,10,2]
Base
  • 7
  • 1
  • 10
  • 2
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, 16] → [_, 11, 5] → [_, 10, 1, _]

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Answer: Row4[4]=4, Row1[1]=44, Row3[1]=17, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [28,16]
  • [17,11,5]
  • [7,10,1,4]
Base
  • 7
  • 10
  • 1
  • 4
TopValue
44
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":0,"c":0,"v":44}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [23, _] → [10, _, _] → [_, 7, 6, 9]

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Answer: Row2[2]=28, Row3[3]=15, Row3[2]=13, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [23,28]
  • [10,13,15]
  • [3,7,6,9]
Base
  • 3
  • 7
  • 6
  • 9
TopValue
51
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":3}