medium Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, 16] → [_, _, 7] → [_, 7, 2, 5]

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Answer: Row4[1]=8, Row2[1]=24, Row3[1]=15, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [24,16]
  • [15,9,7]
  • [8,7,2,5]
Base
  • 8
  • 7
  • 2
  • 5
TopValue
40
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":0,"v":24}
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [19, _] → [_, 7, 10] → [6, _, _, 9]

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Answer: Row2[2]=17, Row4[3]=1, Row4[2]=6, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [19,17]
  • [12,7,10]
  • [6,6,1,9]
Base
  • 6
  • 6
  • 1
  • 9
TopValue
36
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, 26] → [15, _, _] → [8, 7, _, 7]

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Answer: Row3[2]=13, Row4[3]=6, Row3[3]=13, Row2[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [28,26]
  • [15,13,13]
  • [8,7,6,7]
Base
  • 8
  • 7
  • 6
  • 7
TopValue
54
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 17] → [_, _, 8] → [5, _, 3, 5]

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Answer: Row3[2]=9, Row3[1]=11, Row4[2]=6, Row1[1]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [20,17]
  • [11,9,8]
  • [5,6,3,5]
Base
  • 5
  • 6
  • 3
  • 5
TopValue
37
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":37}