medium Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [16, _] → [_, _, 8] → [7, _, 5, 3]

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Answer: Row3[2]=7, Row2[2]=15, Row3[1]=9, Row4[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [16,15]
  • [9,7,8]
  • [7,2,5,3]
Base
  • 7
  • 2
  • 5
  • 3
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 24] → [11, _, 9] → [_, _, 8, 1]

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Answer: Row4[2]=7, Row3[2]=15, Row4[1]=4, Row2[1]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [26,24]
  • [11,15,9]
  • [4,7,8,1]
Base
  • 4
  • 7
  • 8
  • 1
TopValue
50
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [15, 28] → [_, _, _] → [4, 1, 9, _]

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Answer: Row4[4]=9, Row3[2]=10, Row3[1]=5, Row3[3]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [15,28]
  • [5,10,18]
  • [4,1,9,9]
Base
  • 4
  • 1
  • 9
  • 9
TopValue
43
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [_, _] → [10, 12, _] → [6, 4, 8, _]

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Answer: Row3[3]=14, Row4[4]=6, Row2[1]=22, Row2[2]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [22,26]
  • [10,12,14]
  • [6,4,8,6]
Base
  • 6
  • 4
  • 8
  • 6
TopValue
48
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":0,"v":22}
  • {"r":1,"c":1,"v":26}