hard Set 93 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [44, 37] → [_, _, 15] → [_, _, _, 5] → [_, 5, 7, _, _]

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Answer: Row5[1]=5, Row4[2]=12, Row4[1]=10, Row3[2]=22, Row5[5]=2, Row3[1]=22, Row4[3]=10, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [44,37]
  • [22,22,15]
  • [10,12,10,5]
  • [5,5,7,3,2]
Base
  • 5
  • 5
  • 7
  • 3
  • 2
TopValue
81
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [20, _, 27] → [_, 12, 16, _] → [_, _, 7, _, 2]

Show answer

Answer: Row4[4]=11, Row1[1]=103, Row5[4]=9, Row5[2]=5, Row3[2]=28, Row5[1]=3, Row4[1]=8, Row2[2]=55

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [48,55]
  • [20,28,27]
  • [8,12,16,11]
  • [3,5,7,9,2]
Base
  • 3
  • 5
  • 7
  • 9
  • 2
TopValue
103
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":103}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":55}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [15, _, _] → [6, _, 9, 6] → [3, _, 6, 3, _]

Show answer

Answer: Row4[2]=9, Row2[1]=33, Row2[2]=33, Row5[2]=3, Row1[1]=66, Row5[5]=3, Row3[2]=18, Row3[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [33,33]
  • [15,18,15]
  • [6,9,9,6]
  • [3,3,6,3,3]
Base
  • 3
  • 3
  • 6
  • 3
  • 3
TopValue
66
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":33}
  • {"r":1,"c":1,"v":33}
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":66}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, _] → [13, _, 23] → [_, 9, _, _] → [3, _, 8, _, 5]

Show answer

Answer: Row5[2]=1, Row4[1]=4, Row4[4]=10, Row3[2]=22, Row4[3]=13, Row5[4]=5, Row1[1]=80, Row2[2]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [35,45]
  • [13,22,23]
  • [4,9,13,10]
  • [3,1,8,5,5]
Base
  • 3
  • 1
  • 8
  • 5
  • 5
TopValue
80
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":3,"v":5}
  • {"r":0,"c":0,"v":80}
  • {"r":1,"c":1,"v":45}