hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [15, 16, 20] → [_, _, _, 12] → [4, _, 5, 3, _]

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Answer: Row5[2]=3, Row2[2]=36, Row1[1]=67, Row2[1]=31, Row4[2]=8, Row4[1]=7, Row5[5]=9, Row4[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [31,36]
  • [15,16,20]
  • [7,8,8,12]
  • [4,3,5,3,9]
Base
  • 4
  • 3
  • 5
  • 3
  • 9
TopValue
67
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":1,"v":36}
  • {"r":0,"c":0,"v":67}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [51, 52] → [26, _, 27] → [_, _, 13, 14] → [6, _, _, _, _]

Show answer

Answer: Row4[2]=12, Row5[2]=8, Row5[5]=5, Row4[1]=14, Row3[2]=25, Row1[1]=103, Row5[3]=4, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [51,52]
  • [26,25,27]
  • [14,12,13,14]
  • [6,8,4,9,5]
Base
  • 6
  • 8
  • 4
  • 9
  • 5
TopValue
103
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":1,"v":25}
  • {"r":0,"c":0,"v":103}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [_, _] → [32, 27, 22] → [_, _, 11, _] → [_, _, 7, _, 7]

Show answer

Answer: Row5[2]=9, Row2[1]=59, Row4[4]=11, Row5[4]=4, Row2[2]=49, Row4[1]=16, Row5[1]=7, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [59,49]
  • [32,27,22]
  • [16,16,11,11]
  • [7,9,7,4,7]
Base
  • 7
  • 9
  • 7
  • 4
  • 7
TopValue
108
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":59}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [131] → [69, _] → [_, _, 28] → [_, 19, 15, 13] → [7, _, _, _, _]

Show answer

Answer: Row5[2]=9, Row5[4]=5, Row3[1]=35, Row5[5]=8, Row5[3]=10, Row2[2]=62, Row3[2]=34, Row4[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [69,62]
  • [35,34,28]
  • [16,19,15,13]
  • [7,9,10,5,8]
Base
  • 7
  • 9
  • 10
  • 5
  • 8
TopValue
131
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":0,"v":35}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":1,"v":62}
  • {"r":2,"c":1,"v":34}
  • {"r":3,"c":0,"v":16}