hard Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [_, 50] → [_, _, 29] → [_, _, 14, _] → [1, _, 5, 9, _]

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Answer: Row3[2]=21, Row3[1]=10, Row4[1]=3, Row4[2]=7, Row2[1]=31, Row4[4]=15, Row5[2]=2, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [31,50]
  • [10,21,29]
  • [3,7,14,15]
  • [1,2,5,9,6]
Base
  • 1
  • 2
  • 5
  • 9
  • 6
TopValue
81
HiddenCells
  • {"r":2,"c":1,"v":21}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [29, 26, _] → [_, 17, 9, _] → [3, _, _, 1, _]

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Answer: Row5[3]=8, Row2[1]=55, Row5[2]=9, Row5[5]=9, Row1[1]=100, Row4[1]=12, Row4[4]=10, Row3[3]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [55,45]
  • [29,26,19]
  • [12,17,9,10]
  • [3,9,8,1,9]
Base
  • 3
  • 9
  • 8
  • 1
  • 9
TopValue
100
HiddenCells
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":55}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":4,"v":9}
  • {"r":0,"c":0,"v":100}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 40] → [_, 22, 18] → [_, _, 10, 8] → [_, _, 6, _, _]

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Answer: Row4[1]=12, Row4[2]=12, Row3[1]=24, Row1[1]=86, Row5[4]=4, Row5[1]=6, Row5[5]=4, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [46,40]
  • [24,22,18]
  • [12,12,10,8]
  • [6,6,6,4,4]
Base
  • 6
  • 6
  • 6
  • 4
  • 4
TopValue
86
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":0,"v":24}
  • {"r":0,"c":0,"v":86}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"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): [111] → [57, 54] → [_, _, 24] → [_, _, _, 10] → [_, 9, _, 7, _]

Show answer

Answer: Row4[2]=16, Row5[3]=7, Row3[1]=27, Row3[2]=30, Row5[1]=2, Row4[1]=11, Row5[5]=3, Row4[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [57,54]
  • [27,30,24]
  • [11,16,14,10]
  • [2,9,7,7,3]
Base
  • 2
  • 9
  • 7
  • 7
  • 3
TopValue
111
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":0,"v":27}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":2,"v":14}