medium Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, 12] → [12, 8, _] → [6, _, _, 2]

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Answer: Row2[1]=20, Row4[2]=6, Row4[3]=2, Row3[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [20,12]
  • [12,8,4]
  • [6,6,2,2]
Base
  • 6
  • 6
  • 2
  • 2
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, _] → [16, 13, 7] → [_, 7, 6, _]

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Answer: Row4[4]=1, Row4[1]=9, Row1[1]=49, Row2[2]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [29,20]
  • [16,13,7]
  • [9,7,6,1]
Base
  • 9
  • 7
  • 6
  • 1
TopValue
49
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":3,"c":0,"v":9}
  • {"r":0,"c":0,"v":49}
  • {"r":1,"c":1,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [31, 22] → [17, _, _] → [7, 10, _, _]

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Answer: Row4[3]=4, Row3[3]=8, Row3[2]=14, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [31,22]
  • [17,14,8]
  • [7,10,4,4]
Base
  • 7
  • 10
  • 4
  • 4
TopValue
53
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [9, 9, _] → [6, 3, _, 1]

Show answer

Answer: Row1[1]=34, Row4[3]=6, Row3[3]=7, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [18,16]
  • [9,9,7]
  • [6,3,6,1]
Base
  • 6
  • 3
  • 6
  • 1
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":1,"v":16}