medium Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, _] → [12, 17, 12] → [_, 9, 8, _]

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Answer: Row2[2]=29, Row4[4]=4, Row2[1]=29, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [29,29]
  • [12,17,12]
  • [3,9,8,4]
Base
  • 3
  • 9
  • 8
  • 4
TopValue
58
HiddenCells
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [11, 20] → [4, _, 13] → [2, _, _, _]

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Answer: Row4[4]=8, Row3[2]=7, Row4[2]=2, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [11,20]
  • [4,7,13]
  • [2,2,5,8]
Base
  • 2
  • 2
  • 5
  • 8
TopValue
31
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":1,"v":2}
  • {"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): [_] → [_, 18] → [12, 7, 11] → [8, _, 3, _]

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Answer: Row4[4]=8, Row4[2]=4, Row2[1]=19, Row1[1]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [19,18]
  • [12,7,11]
  • [8,4,3,8]
Base
  • 8
  • 4
  • 3
  • 8
TopValue
37
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":19}
  • {"r":0,"c":0,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [31, _] → [_, _, 5] → [_, 10, 1, 4]

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Answer: Row3[1]=20, Row4[1]=10, Row3[2]=11, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [31,16]
  • [20,11,5]
  • [10,10,1,4]
Base
  • 10
  • 10
  • 1
  • 4
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":1,"v":16}