medium Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [27, 28] → [12, _, 13] → [5, _, _, _]

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Answer: Row4[3]=8, Row4[2]=7, Row4[4]=5, Row3[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [27,28]
  • [12,15,13]
  • [5,7,8,5]
Base
  • 5
  • 7
  • 8
  • 5
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, _] → [4, _, 6] → [3, 1, 1, _]

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Answer: Row2[2]=8, Row3[2]=2, Row4[4]=5, Row2[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [14]
  • [6,8]
  • [4,2,6]
  • [3,1,1,5]
Base
  • 3
  • 1
  • 1
  • 5
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":1,"v":2}
  • {"r":3,"c":3,"v":5}
  • {"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): [35] → [_, 16] → [_, 7, 9] → [7, _, 2, _]

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Answer: Row3[1]=12, Row4[2]=5, Row4[4]=7, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [19,16]
  • [12,7,9]
  • [7,5,2,7]
Base
  • 7
  • 5
  • 2
  • 7
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 23] → [_, _, 11] → [4, _, 7, 4]

Show answer

Answer: Row3[2]=12, Row1[1]=44, Row4[2]=5, Row3[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [21,23]
  • [9,12,11]
  • [4,5,7,4]
Base
  • 4
  • 5
  • 7
  • 4
TopValue
44
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":9}