medium Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 23] → [4, _, 15] → [2, 2, _, _]

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Answer: Row1[1]=35, Row4[3]=6, Row3[2]=8, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [12,23]
  • [4,8,15]
  • [2,2,6,9]
Base
  • 2
  • 2
  • 6
  • 9
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [26, _] → [_, 13, 6] → [5, _, 5, _]

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Answer: Row3[1]=13, Row4[4]=1, Row2[2]=19, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [26,19]
  • [13,13,6]
  • [5,8,5,1]
Base
  • 5
  • 8
  • 5
  • 1
TopValue
45
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":1,"v":19}
  • {"r":3,"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): [48] → [_, 25] → [_, 11, 14] → [8, 4, _, _]

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Answer: Row4[4]=7, Row3[1]=12, Row2[1]=23, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [23,25]
  • [12,11,14]
  • [8,4,7,7]
Base
  • 8
  • 4
  • 7
  • 7
TopValue
48
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 32] → [_, _, 18] → [_, 6, 8, 10]

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Answer: Row3[1]=8, Row3[2]=14, Row4[1]=2, Row1[1]=54

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [22,32]
  • [8,14,18]
  • [2,6,8,10]
Base
  • 2
  • 6
  • 8
  • 10
TopValue
54
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":0,"v":2}
  • {"r":0,"c":0,"v":54}