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): [69] → [33, _] → [15, _, 18] → [6, _, 9, _]

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Answer: Row4[4]=9, Row4[2]=9, Row2[2]=36, Row3[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [33,36]
  • [15,18,18]
  • [6,9,9,9]
Base
  • 6
  • 9
  • 9
  • 9
TopValue
69
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":36}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [_, 20, 11] → [3, 10, _, 1]

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Answer: Row2[1]=33, Row3[1]=13, Row4[3]=10, Row1[1]=64

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [33,31]
  • [13,20,11]
  • [3,10,10,1]
Base
  • 3
  • 10
  • 10
  • 1
TopValue
64
HiddenCells
  • {"r":1,"c":0,"v":33}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":64}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [23, 27] → [9, _, 13] → [1, _, _, _]

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Answer: Row4[2]=8, Row4[4]=7, Row4[3]=6, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [23,27]
  • [9,14,13]
  • [1,8,6,7]
Base
  • 1
  • 8
  • 6
  • 7
TopValue
50
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 11] → [_, 2, _] → [1, 1, 1, _]

Show answer

Answer: Row3[3]=9, Row4[4]=8, Row2[1]=4, Row3[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [15]
  • [4,11]
  • [2,2,9]
  • [1,1,1,8]
Base
  • 1
  • 1
  • 1
  • 8
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":0,"v":2}