medium Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, 23] → [18, 14, 9] → [9, _, _, _]

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Answer: Row4[4]=4, Row4[2]=9, Row2[1]=32, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [32,23]
  • [18,14,9]
  • [9,9,5,4]
Base
  • 9
  • 9
  • 5
  • 4
TopValue
55
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":32}
  • {"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): [_] → [35, 29] → [_, 17, _] → [9, _, 8, 4]

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Answer: Row4[2]=9, Row3[3]=12, Row1[1]=64, Row3[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [35,29]
  • [18,17,12]
  • [9,9,8,4]
Base
  • 9
  • 9
  • 8
  • 4
TopValue
64
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":64}
  • {"r":2,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 22] → [_, _, 12] → [_, 1, 9, 3]

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Answer: Row3[2]=10, Row1[1]=38, Row4[1]=5, Row3[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [16,22]
  • [6,10,12]
  • [5,1,9,3]
Base
  • 5
  • 1
  • 9
  • 3
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":38}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"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): [37] → [16, _] → [_, 7, 14] → [_, 2, _, 9]

Show answer

Answer: Row2[2]=21, Row4[3]=5, Row4[1]=7, Row3[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [16,21]
  • [9,7,14]
  • [7,2,5,9]
Base
  • 7
  • 2
  • 5
  • 9
TopValue
37
HiddenCells
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":0,"v":9}