medium Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [27, _] → [_, _, 13] → [_, 8, 6, 7]

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Answer: Row3[2]=14, Row2[2]=27, Row3[1]=13, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [27,27]
  • [13,14,13]
  • [5,8,6,7]
Base
  • 5
  • 8
  • 6
  • 7
TopValue
54
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"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): [28] → [_, _] → [14, 6, 2] → [9, 5, _, _]

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Answer: Row4[3]=1, Row4[4]=1, Row2[1]=20, Row2[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [20,8]
  • [14,6,2]
  • [9,5,1,1]
Base
  • 9
  • 5
  • 1
  • 1
TopValue
28
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":0,"v":20}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 17] → [_, _, 9] → [6, 7, 1, _]

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Answer: Row2[1]=21, Row3[2]=8, Row3[1]=13, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [21,17]
  • [13,8,9]
  • [6,7,1,8]
Base
  • 6
  • 7
  • 1
  • 8
TopValue
38
HiddenCells
  • {"r":1,"c":0,"v":21}
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [19, _] → [7, 12, _] → [1, _, _, 2]

Show answer

Answer: Row4[3]=6, Row3[3]=8, Row4[2]=6, Row2[2]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [19,20]
  • [7,12,8]
  • [1,6,6,2]
Base
  • 1
  • 6
  • 6
  • 2
TopValue
39
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":20}