medium Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [25, 33] → [11, _, 19] → [_, 4, _, _]

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Answer: Row4[1]=7, Row3[2]=14, Row4[4]=9, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [25,33]
  • [11,14,19]
  • [7,4,10,9]
Base
  • 7
  • 4
  • 10
  • 9
TopValue
58
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [12, 15] → [_, _, _] → [8, _, 2, 10]

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Answer: Row3[2]=3, Row3[1]=9, Row3[3]=12, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [12,15]
  • [9,3,12]
  • [8,1,2,10]
Base
  • 8
  • 1
  • 2
  • 10
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 30] → [6, 13, _] → [_, 4, _, 8]

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Answer: Row4[1]=2, Row1[1]=49, Row3[3]=17, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [19,30]
  • [6,13,17]
  • [2,4,9,8]
Base
  • 2
  • 4
  • 9
  • 8
TopValue
49
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":0,"c":0,"v":49}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [9, 5, 5] → [5, _, _, 4]

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Answer: Row1[1]=24, Row4[2]=4, Row2[1]=14, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [14,10]
  • [9,5,5]
  • [5,4,1,4]
Base
  • 5
  • 4
  • 1
  • 4
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":2,"v":1}