hard Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [71, 50] → [39, _, 18] → [_, _, 12, _] → [_, _, 10, 2, _]

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Answer: Row5[5]=4, Row4[2]=20, Row5[2]=10, Row1[1]=121, Row3[2]=32, Row4[4]=6, Row4[1]=19, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [71,50]
  • [39,32,18]
  • [19,20,12,6]
  • [9,10,10,2,4]
Base
  • 9
  • 10
  • 10
  • 2
  • 4
TopValue
121
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":1,"v":20}
  • {"r":4,"c":1,"v":10}
  • {"r":0,"c":0,"v":121}
  • {"r":2,"c":1,"v":32}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":0,"v":19}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, 24] → [13, _, _] → [_, 6, 6, 6] → [_, _, _, _, 1]

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Answer: Row5[2]=5, Row4[1]=7, Row2[1]=25, Row3[3]=12, Row5[4]=5, Row5[1]=2, Row5[3]=1, Row3[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [25,24]
  • [13,12,12]
  • [7,6,6,6]
  • [2,5,1,5,1]
Base
  • 2
  • 5
  • 1
  • 5
  • 1
TopValue
49
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [114] → [_, 68] → [16, _, _] → [5, 11, _, _] → [_, 2, 9, _, _]

Show answer

Answer: Row3[3]=38, Row3[2]=30, Row5[5]=9, Row5[4]=10, Row5[1]=3, Row2[1]=46, Row4[3]=19, Row4[4]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [46,68]
  • [16,30,38]
  • [5,11,19,19]
  • [3,2,9,10,9]
Base
  • 3
  • 2
  • 9
  • 10
  • 9
TopValue
114
HiddenCells
  • {"r":2,"c":2,"v":38}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":46}
  • {"r":3,"c":2,"v":19}
  • {"r":3,"c":3,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, 34] → [_, _, _] → [_, _, 7, _] → [6, 3, 4, 3, _]

Show answer

Answer: Row4[2]=7, Row3[3]=20, Row2[1]=30, Row4[4]=13, Row5[5]=10, Row4[1]=9, Row3[1]=16, Row3[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [30,34]
  • [16,14,20]
  • [9,7,7,13]
  • [6,3,4,3,10]
Base
  • 6
  • 3
  • 4
  • 3
  • 10
TopValue
64
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":2,"v":20}
  • {"r":1,"c":0,"v":30}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":1,"v":14}