medium Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [8, 11, _] → [5, 3, 8, _]

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Answer: Row3[3]=18, Row4[4]=10, Row1[1]=48, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [19,29]
  • [8,11,18]
  • [5,3,8,10]
Base
  • 5
  • 3
  • 8
  • 10
TopValue
48
HiddenCells
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":48}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 16] → [_, _, 10] → [10, 2, _, 6]

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Answer: Row3[2]=6, Row2[1]=18, Row4[3]=4, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [18,16]
  • [12,6,10]
  • [10,2,4,6]
Base
  • 10
  • 2
  • 4
  • 6
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 30] → [15, _, 14] → [_, _, 10, 4]

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Answer: Row1[1]=61, Row4[1]=9, Row3[2]=16, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [15,16,14]
  • [9,6,10,4]
Base
  • 9
  • 6
  • 10
  • 4
TopValue
61
HiddenCells
  • {"r":0,"c":0,"v":61}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"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): [41] → [_, _] → [10, 11, 9] → [_, 5, 6, _]

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Answer: Row2[1]=21, Row4[1]=5, Row4[4]=3, Row2[2]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [10,11,9]
  • [5,5,6,3]
Base
  • 5
  • 5
  • 6
  • 3
TopValue
41
HiddenCells
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":20}