medium Set 16 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [_, 4, 7] → [10, 1, _, 4]

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Answer: Row4[3]=3, Row3[1]=11, Row1[1]=26, Row2[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [15,11]
  • [11,4,7]
  • [10,1,3,4]
Base
  • 10
  • 1
  • 3
  • 4
TopValue
26
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":26}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [10, _, 15] → [5, 5, _, 9]

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Answer: Row1[1]=47, Row2[2]=26, Row3[2]=11, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [21,26]
  • [10,11,15]
  • [5,5,6,9]
Base
  • 5
  • 5
  • 6
  • 9
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, _] → [7, 12, _] → [5, 2, 10, _]

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Answer: Row2[1]=19, Row2[2]=31, Row3[3]=19, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [19,31]
  • [7,12,19]
  • [5,2,10,9]
Base
  • 5
  • 2
  • 10
  • 9
TopValue
50
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"r":1,"c":1,"v":31}
  • {"r":2,"c":2,"v":19}
  • {"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): [55] → [30, _] → [15, _, 10] → [5, 10, _, _]

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Answer: Row3[2]=15, Row4[3]=5, Row2[2]=25, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [15,15,10]
  • [5,10,5,5]
Base
  • 5
  • 10
  • 5
  • 5
TopValue
55
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":3,"v":5}