hard Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, 28, 31] → [_, 14, 14, 17] → [_, _, _, _, 7]

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Answer: Row5[2]=10, Row2[1]=59, Row4[1]=17, Row1[1]=118, Row5[3]=4, Row5[1]=7, Row2[2]=59, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [59,59]
  • [31,28,31]
  • [17,14,14,17]
  • [7,10,4,10,7]
Base
  • 7
  • 10
  • 4
  • 10
  • 7
TopValue
118
HiddenCells
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":59}
  • {"r":3,"c":0,"v":17}
  • {"r":0,"c":0,"v":118}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":1,"v":59}
  • {"r":4,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [49, _] → [_, _, 29] → [_, 11, 15, 14] → [_, _, _, 7, _]

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Answer: Row5[2]=3, Row3[1]=23, Row5[5]=7, Row5[1]=9, Row2[2]=55, Row5[3]=8, Row3[2]=26, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [49,55]
  • [23,26,29]
  • [12,11,15,14]
  • [9,3,8,7,7]
Base
  • 9
  • 3
  • 8
  • 7
  • 7
TopValue
104
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 52] → [36, 33, 19] → [_, _, _, 5] → [_, _, 10, _, 1]

Show answer

Answer: Row4[1]=17, Row4[2]=19, Row1[1]=121, Row2[1]=69, Row5[1]=8, Row5[2]=9, Row4[3]=14, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [69,52]
  • [36,33,19]
  • [17,19,14,5]
  • [8,9,10,4,1]
Base
  • 8
  • 9
  • 10
  • 4
  • 1
TopValue
121
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":1,"v":19}
  • {"r":0,"c":0,"v":121}
  • {"r":1,"c":0,"v":69}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [4, _, 22] → [2, _, 11, _] → [_, 1, _, 10, _]

Show answer

Answer: Row3[2]=13, Row2[1]=17, Row5[3]=1, Row5[5]=1, Row5[1]=1, Row4[2]=2, Row1[1]=52, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [17,35]
  • [4,13,22]
  • [2,2,11,11]
  • [1,1,1,10,1]
Base
  • 1
  • 1
  • 1
  • 10
  • 1
TopValue
52
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":0,"v":17}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":2}
  • {"r":0,"c":0,"v":52}
  • {"r":3,"c":3,"v":11}