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] → [_, 14] → [9, _, 6] → [_, 4, _, 2]

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Answer: Row2[1]=17, Row3[2]=8, Row4[3]=4, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [17,14]
  • [9,8,6]
  • [5,4,4,2]
Base
  • 5
  • 4
  • 4
  • 2
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [11, _, 11] → [3, 8, _, 4]

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Answer: Row4[3]=7, Row2[2]=26, Row3[2]=15, Row1[1]=52

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [26,26]
  • [11,15,11]
  • [3,8,7,4]
Base
  • 3
  • 8
  • 7
  • 4
TopValue
52
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":1,"v":15}
  • {"r":0,"c":0,"v":52}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 12] → [5, _, 6] → [_, 1, _, 1]

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Answer: Row2[1]=11, Row4[1]=4, Row4[3]=5, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [11,12]
  • [5,6,6]
  • [4,1,5,1]
Base
  • 4
  • 1
  • 5
  • 1
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 26] → [9, 11, 15] → [_, 3, _, _]

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Answer: Row4[3]=8, Row4[4]=7, Row4[1]=6, Row2[1]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [20,26]
  • [9,11,15]
  • [6,3,8,7]
Base
  • 6
  • 3
  • 8
  • 7
TopValue
46
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":0,"v":20}