medium Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [11, _] → [6, 5, 6] → [4, _, _, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [11,11]
  • [6,5,6]
  • [4,2,3,3]
Base
  • 4
  • 2
  • 3
  • 3
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 18] → [_, _, 5] → [9, 10, 3, _]

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Answer: Row2[1]=32, Row4[4]=2, Row3[1]=19, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [32,18]
  • [19,13,5]
  • [9,10,3,2]
Base
  • 9
  • 10
  • 3
  • 2
TopValue
50
HiddenCells
  • {"r":1,"c":0,"v":32}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 29] → [_, _, _] → [2, 3, 9, 8]

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Answer: Row3[2]=12, Row2[1]=17, Row3[3]=17, Row3[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [17,29]
  • [5,12,17]
  • [2,3,9,8]
Base
  • 2
  • 3
  • 9
  • 8
TopValue
46
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":2,"v":17}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [19, 12, 10] → [9, _, 2, _]

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Answer: Row1[1]=53, Row4[4]=8, Row2[1]=31, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [31,22]
  • [19,12,10]
  • [9,10,2,8]
Base
  • 9
  • 10
  • 2
  • 8
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":10}