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): [41] → [21, _] → [10, _, 9] → [3, 7, _, _]

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Answer: Row2[2]=20, Row4[4]=5, Row3[2]=11, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [10,11,9]
  • [3,7,4,5]
Base
  • 3
  • 7
  • 4
  • 5
TopValue
41
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"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): [_] → [36, _] → [18, _, 12] → [9, 9, _, 3]

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Answer: Row1[1]=66, Row2[2]=30, Row3[2]=18, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [36,30]
  • [18,18,12]
  • [9,9,9,3]
Base
  • 9
  • 9
  • 9
  • 3
TopValue
66
HiddenCells
  • {"r":0,"c":0,"v":66}
  • {"r":1,"c":1,"v":30}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, _] → [6, 8, _] → [2, 4, 4, _]

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Answer: Row3[3]=5, Row2[2]=13, Row4[4]=1, Row2[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [14,13]
  • [6,8,5]
  • [2,4,4,1]
Base
  • 2
  • 4
  • 4
  • 1
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":13}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [15, 13, 7] → [_, _, 4, 3]

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Answer: Row4[1]=6, Row2[2]=20, Row1[1]=48, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [28,20]
  • [15,13,7]
  • [6,9,4,3]
Base
  • 6
  • 9
  • 4
  • 3
TopValue
48
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":1,"v":20}
  • {"r":0,"c":0,"v":48}
  • {"r":3,"c":1,"v":9}