medium Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [15, _] → [_, 9, _] → [4, 2, 7, _]

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Answer: Row3[3]=16, Row2[2]=25, Row3[1]=6, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [15,25]
  • [6,9,16]
  • [4,2,7,9]
Base
  • 4
  • 2
  • 7
  • 9
TopValue
40
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, _] → [_, 15, _] → [1, 5, 10, 6]

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Answer: Row3[1]=6, Row3[3]=16, Row2[2]=31, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [21,31]
  • [6,15,16]
  • [1,5,10,6]
Base
  • 1
  • 5
  • 10
  • 6
TopValue
52
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":31}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [8, 11, 8] → [1, _, _, 4]

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Answer: Row2[2]=19, Row1[1]=38, Row4[3]=4, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [19,19]
  • [8,11,8]
  • [1,7,4,4]
Base
  • 1
  • 7
  • 4
  • 4
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":0,"c":0,"v":38}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 27] → [_, 13, 14] → [5, _, _, 8]

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Answer: Row4[2]=7, Row4[3]=6, Row1[1]=52, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [25,27]
  • [12,13,14]
  • [5,7,6,8]
Base
  • 5
  • 7
  • 6
  • 8
TopValue
52
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":6}
  • {"r":0,"c":0,"v":52}
  • {"r":2,"c":0,"v":12}