hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [21, 27, 27] → [8, _, 14, _] → [_, 4, _, _, _]

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Answer: Row4[4]=13, Row4[2]=13, Row2[2]=54, Row5[5]=8, Row5[4]=5, Row5[3]=9, Row1[1]=102, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [48,54]
  • [21,27,27]
  • [8,13,14,13]
  • [4,4,9,5,8]
Base
  • 4
  • 4
  • 9
  • 5
  • 8
TopValue
102
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":1,"v":54}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":2,"v":9}
  • {"r":0,"c":0,"v":102}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, 34] → [_, 19, _] → [_, 13, _, _] → [_, _, 3, 3, 6]

Show answer

Answer: Row3[1]=33, Row1[1]=86, Row4[3]=6, Row4[4]=9, Row3[3]=15, Row5[2]=10, Row4[1]=20, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [52,34]
  • [33,19,15]
  • [20,13,6,9]
  • [10,10,3,3,6]
Base
  • 10
  • 10
  • 3
  • 3
  • 6
TopValue
86
HiddenCells
  • {"r":2,"c":0,"v":33}
  • {"r":0,"c":0,"v":86}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":2,"v":15}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":0,"v":20}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [45, _] → [_, _, 25] → [_, 11, _, _] → [6, _, _, 6, 8]

Show answer

Answer: Row5[3]=5, Row3[2]=22, Row3[1]=23, Row2[2]=47, Row4[1]=12, Row5[2]=6, Row4[4]=14, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [45,47]
  • [23,22,25]
  • [12,11,11,14]
  • [6,6,5,6,8]
Base
  • 6
  • 6
  • 5
  • 6
  • 8
TopValue
92
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":22}
  • {"r":2,"c":0,"v":23}
  • {"r":1,"c":1,"v":47}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [16, _] → [_, _, _] → [5, 3, _, 9] → [_, _, 2, _, 6]

Show answer

Answer: Row5[1]=4, Row3[2]=8, Row4[3]=5, Row5[2]=1, Row5[4]=3, Row3[3]=14, Row2[2]=22, Row3[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [38]
  • [16,22]
  • [8,8,14]
  • [5,3,5,9]
  • [4,1,2,3,6]
Base
  • 4
  • 1
  • 2
  • 3
  • 6
TopValue
38
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":2,"v":14}
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":0,"v":8}