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): [_] → [11, _] → [2, 9, 15] → [1, _, _, 7]

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Answer: Row2[2]=24, Row4[2]=1, Row4[3]=8, Row1[1]=35

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [11,24]
  • [2,9,15]
  • [1,1,8,7]
Base
  • 1
  • 1
  • 8
  • 7
TopValue
35
HiddenCells
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 36] → [14, 19, 17] → [_, _, _, 8]

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Answer: Row1[1]=69, Row4[1]=4, Row4[2]=10, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [33,36]
  • [14,19,17]
  • [4,10,9,8]
Base
  • 4
  • 10
  • 9
  • 8
TopValue
69
HiddenCells
  • {"r":0,"c":0,"v":69}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":10}
  • {"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): [_] → [33, 32] → [14, _, 13] → [_, _, 10, 3]

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Answer: Row4[1]=5, Row4[2]=9, Row1[1]=65, Row3[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [33,32]
  • [14,19,13]
  • [5,9,10,3]
Base
  • 5
  • 9
  • 10
  • 3
TopValue
65
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":65}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 8] → [12, 6, 2] → [7, _, _, _]

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Answer: Row4[4]=1, Row2[1]=18, Row4[2]=5, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [18,8]
  • [12,6,2]
  • [7,5,1,1]
Base
  • 7
  • 5
  • 1
  • 1
TopValue
26
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":1}